Basic rate problem | Linear equations | Algebra I | Khan Academy
A1 A2 B1 B2 C1 C2
both
US / bəuθ /
•UK / boθ /
- determiner
- Used to refer to two things at the same time
- pronoun
- Used to refer to two things at the same time
figure
US / ˈfiɡə /
•UK / ˈfɪɡjɚ /
- noun
- Your body shape
- Numbers in a calculation
- Doll-like thing meant to represent a person
- Picture or diagram giving information in a text
- Person who is very important or famous
- Shape of a person seen indistinctly or in outline
- Amount that is expressed in numbers
- verb
- To appear in a game, play or event
- To calculate how much something will cost
- To understand after thinking; work out
multiply
US / ˈmʌltɪplaɪ /
•UK / ˈmʌltəˌplaɪ /
- verb
- To increase in number by reproducing/having babies
- To increase something by a large quantity
- To have increased by a large quantity
- To calculate two numbers e.g. 2 x 4
speed
US / spi:d /
•UK / spid /
- noun
- How fast or slow something is or is done
- verb
- To move quickly when completing an action
- To drive a vehicle faster than laws allow
way
US / weɪ /
•UK / we /
- adverb
- Used to emphasize the amount of something
- noun
- Particular aspect of something being thought about
- One of various choices that could be made
- Particular existing condition or state
- (Often long) distance or length of time
- How something is done
- Route to go to a place
- Small street
- Usual behavior, emotions or habits of someone
they
US / ðeɪ /
•UK / ðe /
- pronoun
- Two or more people, animals, or things
bit
US / bɪt /
•UK / bɪt /
- noun
- Device put in a horse's mouth to control it
- Small piece of something
- verb
- (E.g. of fish) to take bait and be caught
take
US / teɪk /
•UK / tek /
- noun
- Filming of a single scene for TV or the movies
- verb
- To accept something that is offered
- To use a method of traveling, e.g. a bus or train
- To use a camera to make (a photo)
- To pick up something and go away with it
- To study a subject in school
- To attempt to pass (an exam)
- To require a certain amount of time, money, space
kilometre
US / ˈkɪləmi:tə(r) /
•UK / ˈkɪləmiːtər /
- noun
- A metric unit of length equal to 1000 metres
journey
US / 'dʒɜ:nɪ /
•UK / ˈdʒɚni /
- noun
- Act of traveling from one place to another; trip
- verb
- To travel through a place
bring
US / brɪŋ /
•UK / brɪŋ /
- verb
- To take or go with someone to a place
move
US / mu:v /
•UK / muv /
- noun
- Act of moving a playing piece in chess, etc.
- An action; doing something
- Step taken to achieve a goal
- verb
- To cause someone to have certain emotions
- To cause something to change to a different place
- To change where people live or a business operates
- To take action to do or achieve something
cancel
US / 'kænsl /
•UK / ˈkænsəl /
- verb
- To end a legal, business, or other agreement
- To stop a planned event from happening
all
US / ɔ:l /
•UK / ɔl /
- adverb
- Completely; totally
- determiner
- Being every one of something
- pronoun
- 100% of something; the complete amount
their
US / ðɛː /
•UK / ðer /
- determiner
- Belonging to them
subtract
US / səbˈtrækt /
•UK / səbˈtrækt /
- other
- To take away a value or amount from another
- verb
- To take away a value or amount from another
pretty
US / 'prɪtɪ /
•UK / ˈprɪti /
- adjecitve
- Being attractive to the eye in a simple way
- adverb
- Very; to a great degree
over
US / 'əʊvə(r) /
•UK / ˈovɚ /
- adverb
- Finished; no longer happening
- Towards the ground/away from a standing position
- noun
- A set of six consecutive balls bowled in cricket
- other
- Finished
- preposition
- Showing the relation when a thing is above another
- On or covering something
- Above or across something
- More than you need
- From one side to the other
- In the direction of; toward
another
US / əˈnʌðə(r) /
•UK / əˈnʌðɚ /
- adjecitve
- One more, but not this
- determiner
- One more added
- pronoun
- One more (thing)
minus
US / ˈmaɪnəs /
•UK / ˈmaɪnəs /
- adjecitve
- Being close to the bottom of a letter grade
- noun
- Negative quality; disadvantage
- Sign that indicates subtraction
- preposition
- Being less than zero in number
- Used when subtracting one number from another
- verb
- To take one number away from another; subtract
experiment
US / ɪk'sperɪmənt /
•UK / ɪkˈspɛrəmənt /
- noun
- Test performed to assess new ideas or theories
- verb
- To create and perform tests to research something
- To try something new that you haven't tried before
base
US / beɪs /
•UK / bes /
- noun
- Place military personnel live, train, and operate
- Bottom part of an object that touches a surface
- Unit of counting, e.g. 10 for counting
- Most important idea or ingredient to add others
- Origin or start from which something came
- Main place where an organization or a person works
- verb
- To use as the starting point or origin for
- To have as the main location for (company, etc.)
out
US / aʊt /
•UK / aʊt /
- adverb
- No longer stylish (e.g. fashion)
- Away from home, business, or the usual place
- In a direction/movement away from inside or center
- noun
- Act when a batter cannot continue playing
- verb
- To tell people a secret
finally
US / ˈfaɪnəli /
•UK / ˈfaɪnəli /
- adverb
- used especially at the beginning of a sentence to introduce the last point or idea
- After a long time or some difficulty
far
US / fɑ:(r) /
•UK / fɑr /
- adjecitve
- A long way away
- Being a long way away
- adverb
- To a large degree or extent
distance
US / 'dɪstəns /
•UK / ˈdɪstəns /
- noun
- Lack of friendliness toward another person
- Amount of space between two places or things
- verb
- To make it clear that you are not involved
something
US / ˈsʌmθɪŋ /
•UK / ˈsʌmθɪŋ /
- adverb
- In some degree or measure
- noun
- a person or thing of some value or consequence
- pronoun
- Thing that is not yet known or named
- Approximately
train
US / treɪn /
•UK / tren /
- noun
- Line of people, animals moving the same direction
- Vehicle that carries people and runs on rails
- Long rear section of a (e.g. wedding) dress
- Series of events happening one after another
- verb
- To teach a pet a behavior or a trick
- To educate someone in something, e.g. medicine
- To cause a plant to grow a certain way by cutting
- To point a certain way or toward something
- To practice to get better at a thing, e.g. sports
and
US / ənd /
•UK / ənd, ən,ænd /
- conjunction
- Used to refer to two or more things
- Plus; in addition; on top of that
- Used to introduce an action that follows another
guy
US / ɡaɪ /
•UK / ɡaɪ /
- noun
- Man; boy; any person
put
US / pʊt /
•UK / pʊt /
- phrasal verb
- to make a light stop shining by pressing or moving a switch
- verb
- To move or place a thing in a particular position
- To rate something in importance or value
- To write or say something in a certain manner
different
US / ˈdɪfrənt /
•UK / ˈdɪfrənt /
- adjecitve
- Not of the same kind; unlike other things
each
US / i:tʃ /
•UK / itʃ /
- determiner
- Every one of two or more things
- pronoun
- Per one person or thing
yeah
US / jeə /
•UK / ˈjɛə, ˈjæə, jɛ- /
- exclamation
- Another way of saying 'yes'
second
US / 'sekənd /
•UK / ˈsɛkənd /
- adjecitve
- 2nd; the one following first
- noun
- Unit of time; one sixtieth of a minute
- Short period of time that you wait for someone
- (Do) soon
- verb
- To agree to support a proposal at a meeting
again
US / ə'ɡen /
•UK / əˈɡɛn /
- adverb
- One more time, once more
then
US / ðen /
•UK / ðɛn /
- adverb
- A time that is not now
- Following another thing in time or arrangement
- Following on reasonably from what was just stated
- At that time, not now
that
US / ðæt /
•UK / ðæt, ðət /
- adjecitve
- The person or thing being talked about
- Used to identify something both the speakers know
- adverb
- Used to reinforce adjectives and adverbs
- To such a degree
- conjunction
- Used to connect a noun clause
- Used to introduce an adverbial clause
- Used to introduce a noun clause
- determiner
- Used as a noun to refer to something
- pronoun
- Referring an object far away
- Used to refer to the relative pronoun ‘which’
down
US / daʊn /
•UK / daʊn /
- adjecitve
- Being sad, sick, or unhappy
- Not operating, working, or functioning as expected
- adverb
- In a sitting or lying position
- Towards or on the ground, floor, or bottom
- Written or copied onto a piece of paper or book
- noun
- A period of play in American Football
- The soft, smooth hairs that cover a bird's body
- preposition
- Along something's path, course, or direction
- Going from a higher position to a lower position
- verb
- To eat or drink very quickly and without stopping
number
US / ˈnʌmbə(r) /
•UK / ˈnʌmbɚ /
- noun
- Symbols such as 1, 2, 56, 793
- Particular song or dance performed during a show
- Total quantity or amount of things
- verb
- To put numbers on things
- To assign a sequence within a group, series, set
- To claim to be part of a larger group, series, set
remind
US / rɪ'maɪnd /
•UK / rɪˈmaɪnd /
- verb
- To cause someone to remember what they forgot
straightforward
US / ˌstreɪtˈfɔ:wəd /
•UK / stretˈfɔrwəd /
- adjecitve
- Easy to do or understand; not complicated
first
US / fɜ:st /
•UK / fɚst /
- adjecitve
- 1st; Coming before all others in time or place
- noun
- Something that has not happened before
- Position of the winner of a competition
essentially
US / ɪˈsenʃəli /
•UK / ɪˈsenʃəli /
- adverb
- Basically; (said when stating the basic facts)
right
US / raɪt /
•UK / raɪt /
- adjecitve
- Correct or true
- The south side of you looking at the rising sun
- adverb
- Exactly in a place or time
- Being appropriate for a particular event
- In a straight or direct manner
- noun
- Something you are legally or morally allowed to do
- Ideal of what is just and good
- Political view based on conservatism
- verb
- To fix something previously wrong or unjust
- To make upright, as a boat that has turned over
during
US / ˈdjʊərɪŋ /
•UK / ˈdʊrɪŋ, ˈdjʊr- /
- preposition
- At some point in the course of an event or thing
about
US / ə'baʊt /
•UK / əˈbaʊt /
- adverb
- To be ready to; going to
- Nearly; approximately; roughly
- Near; next to; close to
- In every direction; in the area of
- preposition
- Concerning or of (a topic)
tell
US / tel /
•UK / tɛl /
- verb
- To (strongly) advise a person to do something
- To be able to guess
- To say or communicate information to someone
- To inform, but without speaking; indicate
- To have a negative effect on someone
- To order someone to do something; command
- To recognize something based on certain signs
- To report something to an authority
- To explain something or teach someone something
get
US / ɡet /
•UK / ɡɛt /
- verb
- To become affected by illness or disease
- To begin to feel or understand an emotion or idea
- To send or bring someone or something home, etc.
- To go somewhere to obtain something
- To (cause to) do a particular thing
- To obtain, receive or be given something
- To currently have
- To prepare for use
- To understand something being said or read
what
US / wɒt /
•UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /
- pronoun
- Thing or things that; the same kind as
- Used to emphasize something you are about to say
- adjecitve
- Used to refer to a particular amount, or number
- Used to place emphasis on a particular quality
- adverb
- To a certain degree
- determiner
- Question words used for asking for information
- exclamation
- Used to express excitement, shock, or surprise
- Used to ask people to repeat something they said
carry
US / ˈkæri /
•UK / ˈkæri /
- verb
- To have a child, be pregnant
- To have a disease you might give to others
- (Of stores) to sell a particular product
- To hold something and move it to another place
- To travel a long distance (sound)
- To support the weight or burden of something
compare
US / kəm'peə(r) /
•UK / kəmˈpɛr /
- verb
- To consider how similar and different things are
remainder
US / rɪ'meɪndə(r) /
•UK / rɪˈmendɚ /
- noun
- What is left over after the larger part is gone
- Number left over after subtracting
- Amount left undone (after other things changed)
can
US / kæn /
•UK / kən,kæn /
- noun
- A metal container for storing food
- other
- Able to; have the skill to; have the time to
- verb
- To have permission to
- To be possible to do
- To preserve food by sealing it in a metal container
equal
US / 'i:kwəl /
•UK / ˈikwəl /
- adjecitve
- Same in shape, size, or number
- verb
- To add up or be the same as
not
US / nɒt /
•UK / nɑt /
- adverb
- Word indicating the negative
- (Used to form the negative of verbs)
measure
US / ˈmeʒə(r) /
•UK / ˈmɛʒɚ /
- noun
- Plan to achieve a desired result
- Tool used to calculate the size of something
- verb
- To determine the value or importance of something
- To calculate size, weight or temperature of
but
US / bət /
•UK / bʌt,bət /
- conjunction
- Used before you say something different, opposite
same
US / seɪm /
•UK / sem /
- adjecitve
- Being equal in quality and amount
- Identical; not different
- Not changing; constant
sense
US / sens /
•UK / sɛns /
- noun
- Certain mental feeling or emotion
- Normal or clear state of mind
- Meaning of a particular word, phrase or text
- verb
- To perceive using sight, sound, taste touch etc.
- To recognize the presence of something
recent
US / 'ri:snt /
•UK / ˈrisənt /
- adjecitve
- Happening or beginning not long ago
become
US / bɪ'kʌm /
•UK / bɪˈkʌm /
- verb
- To begin to be; grow to be; develop into
- To be suitable for a particular job or role
formula
US / 'fɔ:mjələ /
•UK / ˈfɔrmjələ /
- noun
- A mathematical or scientific rule
- Plan, rule or method for doing or making something
now
US / naʊ /
•UK / naʊ /
- adverb
- At the present time or moment
- Right away or in the next possible moment
- Used to refer to something that just happened
- Time between the present and a moment in the past
- conjunction
- Resulting from or because of something
once
US / wʌns /
•UK / wʌns /
- adverb
- One time; one instance
- At a time in the past
- conjunction
- When; as soon as
already
US / ɔ:lˈredi /
•UK / ɔlˈrɛdi /
- adverb
- Having happened or been done before this time
will
US / wɪl /
•UK / wɪl /
- noun
- Desire or choice of someone
- Document saying who gets your money when you die
- Strong desire to do something; determination
- Desire to do something; strong wish to do
- other
- Used with verbs to express the future
- verb
- To leave property to someone after your death
- To use mental effort to make something happen
- Am (is, are) likely to do
- To influence someone to do something
- To make something happen by strongly wanting it
side
US / saɪd /
•UK / saɪd /
- adjecitve
- In addition to the central or most important thing
- Next to, or very close to, the right or left of
- noun
- Position or opinion that is opposite to another
- Right or left part of a person's body
- Feature of someone's personality
- Straight edge of an object
- One of two or more groups fighting each other
- verb
- To decide to agree with one point, not the other
shift
US / ʃɪft /
•UK / ʃɪft /
- adjecitve
- (Of work) starting at a certain time, as at night
- noun
- A change in a persons plans, opinions or beliefs
- Period of work starting at a certain time
- verb
- To change in position or direction
- To move something from one place to another
many
US / 'menɪ /
•UK / ˈmɛni /
- determiner
- Used to refer a large number of things
here
US / hɪə(r) /
•UK / hɪr /
- adverb
- In this place; at this location, position or time
divide
US / dɪ'vaɪd /
•UK / dɪˈvaɪd /
- verb
- To split numbers by another number, e.g. 6 / 2 = 3
- To separate something into equal pieces
indeed
US / ɪnˈdi:d /
•UK / ɪnˈdid /
- adverb
- Actually; in fact; in reality
write
US / raɪt /
•UK / raɪt /
- verb
- To compose letters and words on paper or a screen
- To invent or create a computer program
- To create a song or piece of music
plus
US / plʌs /
•UK / plʌs /
- noun
- A benefit or advantage
- preposition
- In addition; add
- In addition to; Indicates a number above
- Having a value greater than zero
certain
US / ˈsə:tn /
•UK / ˈsɚtn /
- adjecitve
- Definite, fixed
- Referring to an unspecified amount or quantity
- Being sure about something; without doubt
exactly
US / ɪgˈzæktli /
•UK / ɪɡˈzæktli /
- adverb
- No more and no less than; precisely
use
US / ju:s /
•UK / ju:s /
- noun
- Ability to employ something
- Need to enable it to work
- Permission to do something with something
- Act of spending money
- Operation of a machine for its function
- verb
- To have; to eat, drink, consume etc.
- To need to operate or work
- To operate a machine, e.g. a computer
- To treat a person badly
- To do something with, for a task or purpose
part
US / pɑ:t /
•UK / pɑ:rt /
- adjecitve
- To some degree; half; not fully
- noun
- Division of a book
- Ratio of something, e.g. 3 of gin, 1 of tonic
- A line in a person's hair, made with a comb
- Character an actor plays on stage, movie, or TV
- Some, but not all of a specific thing
- Role in causing something to happen
- verb
- To make a line in a person's hair, by using a comb
- To move two things apart creating a space
- To leave someone, or to break off a relationship
cover
US / 'kʌvə(r) /
•UK / ˈkʌvɚ /
- noun
- A different version of another song
- Bed sheets; blankets
- (Police or military) protection from attack
- Amount of money to be paid in an insurance claim
- Thing you put over something to close or hide it
- Front and back part of a book or magazine
- Shelter built to protect from the natural elements
- verb
- To record a different version of another song
- To include as part of its area
- To put something over something to hide it
- To discuss a subject in a talk or meeting
- To form a layer over something so it is hidden
- To have sufficient funds to pay for something
- To include something within an agreed limit
- To report news on TV, radio or in a newspaper
- (Police or military) to protect from attack
- To travel a certain distance in a given time
- To wrap something with something, such as a cloth
datum
US / ˈdeɪtəm /
•UK / ˈdetəm, ˈdætəm, ˈdɑtəm /
- noun
- Item of factual information
accord
US / ə'kɔ:d /
•UK / əˈkɔ:rd /
- noun
- Agreement or harmony
- An agreement or treaty between countries
- verb
- To be in harmony or agreement; consent
- To give (someone) the respect due to them
could
US / kəd /
•UK / kʊd /
- other
- Past form of 'can' to mean have ability
- Used to ask for something politely, or to offer
meter
US / ˈmi:tə(r) /
•UK / ˈmitɚ /
- noun
- Unit of length equal to 100 cm or about 39 inches
- Device for measuring things e.g. gas
- Device to put money into to rent a parking place
- Rhythm of a poem
- verb
- To measure water, etc. when it has to be paid for
know
US / nəʊ /
•UK / noʊ /
- verb
- To be familiar with a person or place, thing
- To feel sure or be convinced about something
- To discover or be aware of something
- To be able to distinguish
- To have knowledge of things
see
US / si: /
•UK / si /
- verb
- To go on a date with someone
- To predict whether something is, or will be true
- To understand what someone says
- To use your eyes to look at something
- To visit a place often for sightseeing or pleasure
- To visit or meet with someone
- To find out by waiting or looking
- To watch (a game, movie or TV show)
hear
US / hɪə(r) /
•UK / hɪr /
- verb
- To be aware of sound; to perceive with the ear
- To be told or find out information or facts
- To consider or listen to a court case
his
US / hɪz /
•UK / hɪz /
- pronoun
- Something belonging to a male person
have
US / həv /
•UK / hæv /
- verb
- To drink, smoke, eat or use something
- To experience the effects of something
- To organize an event, or join in an activity
- To own, possess, or hold something
- To cause to happen or produce a particular effect
this
US / ðɪs /
•UK / ðɪs /
- adjecitve
- Used to indicate something already been discussed
- Used to indicate something happening around now
- adverb
- An indication by a physical motion or gesture
- A specific amount of
- determiner
- Person, thing, or idea near you
- pronoun
- Person, thing that has already been discussed
five
US / faɪv /
•UK / faɪv /
- number
- 5
make
US / meɪk /
•UK / mek /
- noun
- Product made by a particular company; brand
- verb
- To arrange or prepare something e.g. dinner
- To get to (a place) on time
- To gain the status of (teacher, lawyer, etc.)
- To create something by putting things together
- To earn a certain amount of money at a job
- To cause or force a person to do something
- To cause something to happen or be formed
how
US / haʊ /
•UK / haʊ /
- adjecitve
- To what degree? in what amount?
- adverb
- (Used to explain the way to do something)
- exclamation
- For what purpose or reason?
- (Used to ask someone or something's condition)
the
US / ðə /
•UK / ðə /
- article
- Used to refer to something already mentioned
- Used to show there is only one of something
- determiner
- Used to describe all of a family
let
US / let /
•UK / lɛt /
- verb
- To allow someone to do something
- Introducing a suggestion to do something together
- To rent a house, etc. to others
one
US / wʌn /
•UK / wʌn /
- pronoun
- You; we; people in general; someone
- The thing or person previously referred to
- adjecitve
- Used to refer to people generally
- Being a strong example of (something mentioned)
- number
- Number 1
into
US / 'ɪntə /
•UK / ˈɪntu /
- preposition
- Moving or going inside something
- In the same direction as; in the direction of
- So as to become; taking the state of
half
US / hɑ:f /
•UK / hæf, hɑf /
- adjecitve
- Not complete
- adverb
- Partly; somewhat
- noun
- One of two equal periods of game time in a sport
- The part you get when one is divided into two;
might
US / maɪt /
•UK / maɪt /
- other
- Used to politely request an action
- Used to express that something could happen
- Power, strength, force or influence
also
US / 'ɔ:lsəʊ /
•UK / ˈɔlso /
- adverb
- In addition; too; in a similar way
rate
US / reɪt /
•UK / ret /
- noun
- Current price or cost of something
- Speed or frequency of events over time
- verb
- To assess something or consider its qualities
division
US / dɪ'vɪʒn /
•UK / dɪˈvɪʒən /
- noun
- How many times a number is contained in another
- One part of an organization
- Act of dividing or separating into parts
- Something that acts as a separating line or point
you
US / jʊ /
•UK / ju /
- pronoun
- Person someone is speaking or writing to
- Person or people in general
little
US / 'lɪtl /
•UK / ˈlɪtl /
- adjecitve
- Being short in length of time
- Not great in size, amount, or degree; small
- Being very young or younger than others
- adverb
- By an amount or degree that is not very much
- Not often; rarely
- noun
- A person's name
per
US / pə(r) /
•UK / pɚ /
- preposition
- In the manner directed or suggested
- For each; during each
time
US / taɪm /
•UK / taɪm /
- noun
- Speed at which music is played; tempo
- Point as shown on a clock, e.g. 3 p.m
- Number of hours, minutes needed to do something
- Occasion when something happens
- Period or occasion that something occurred
- Period in history or the past
- Something measured in minutes, hours, days, etc.
- How long an event takes; duration
- verb
- To check speed at which music is performed
- To choose a specific moment to do something
- To measure how long an event takes, e.g. a race
- To schedule something to occur at a specific moment
just
US / dʒʌst /
•UK / dʒʌst /
- adjecitve
- Proper or appropriate; as is deserved
- Doing or being what is right or fair
- Legally correct; having enough evidence
- adverb
- Almost; nearly
- Exactly at the time of
- Exactly (the same as, like)
hour
US / 'aʊə(r) /
•UK / aʊr /
- noun
- 60 minutes
- Particular time of the day
- Fixed, regularly occurring time
for
US / fə(r) /
•UK / fɔr,fə /
- preposition
- Used to show the purpose, or need of something
equation
US / ɪˈkweɪʒn /
•UK / ɪˈkweʒən, -ʃən /
- noun
- Mathematical statement showing things to be equal
- Complex set of different facts, ideas or issues
difficult
US / 'dɪfɪkəlt /
•UK / ˈdɪfɪˌkʌlt, -kəlt /
- adjecitve
- Hard; not easy; you need to work hard to do it
amount
US / ə'maʊnt /
•UK / əˈmaʊnt /
- noun
- Quantity of something
- verb
- To add up to a certain figure
column
US / ˈkɒləm /
•UK / ˈkɑ:ləm /
- noun
- Regular series of articles in a newspaper/magazine
- Strong vertical stone pillar that holds up a roof
- Vertical line in a table or chart
decimal
US / 'desɪml /
•UK / ˈdɛsəməl /
- noun
- Number using one equal tenth of a whole as a basis
conductor
US / kənˈdʌktə(r) /
•UK / kənˈdʌktɚ /
- noun
- Material which can transfer electricity through it
- Person who leads a musical group
- Employee in charge of a train, bus etc.