7 Maths - Algebra

Algebra Terminology

100

What is the variable in 7g

g

200

What is the coefficient in 2h

2

300

identify a term in the function y=2x²-2x+4

y or 2x² or -2x or 4

400

Define and expression and give an example

An expression is a mathematical sentence that does not have an equal sign

Example is anything that has one or more terms without an equals sign

500

Write an equation that contains at least one constant and at least one variable

something like: 5=2x+3

Collecting Like Terms

100

Identify the like terms in 2x+2y+4x+2x²

2x and +4x

200

Define: like terms

Any term that has the exact same variables and corresponding powers

300

simplify: 2y+4y+x+y

7y+x

400

Simplify: 2a + 2a² - 2a + a²

3a²

500

Simplify: 

-2b + 3r + 2r - r +5b

3b + 6r

Simplify

100

2t+5t

7t

200

2x+6+4x-3

6x-3

300

x³+x³

2x³

400

cd-4c+5d+2c-2d

cd-2c+3d

500

3ab+2a²-7ba+4a

-4ab+2a²+4a

Evaluate

100

Evaluate: 2x if x=3

6

200

what is y equal to if a=3 and x=5

y=a+b

y=8

300

what is a equal to if m=3 and n=5

a=4m-2n

a=2

400

Evaluate: (6j)/k if j=3 and k=2

9

500

Evaluate: 3x-2y+5 if x=4 and y=11

-5

Write an expression

100

The sum of 9 and a number

9+x

200

Half of a number

x/2

300

The difference between three times a number and 5

3x-5

400

Four less than a number squared

x² - 4

500

anumbre multiplied by 7 is split into 3 equal groups

7x/3