Y7 - Expressions

Combine Like Terms

100

4n + 2n + 2n

8n

200

2+ 5x + x - 7

6x-5

300

3v - 3v - 4

-4

400

2x² - 3x - 5x - 3

2x² - 8x - 3

500

8mn + 7nm - 2mn + 4mn²

13mn + 4mn²

Expand Expressions

100

3(5 + 3x)

9x+15

200

2(x+4) + 3(x+1)

5x+11

300

4(x+3) - 5

4x + 7

400

3(5 + 3x) - 4x

5x+15

500

3(2 + x) + 6x - 4

9x+2

Terms and Coefficients

100

How many terms are in this expression?

5n+7k

2

200

How many terms are in this expression?

–n–3m–1

3

300

How many terms are in this expression?

9r–7s+4

3

400

Which of the following are terms in this expression? 

2r+4+9t³

3t,  r,  5,  2r

2r

500

What is the coefficient of the first term in this expression?

-10

Evaluate expressions

100

Find the value of the expression

g − 7

for g = 15.

8

200

Find the value of the expression

12 ÷ t

for t = 3. 

4

300

Evaluate 2r + 1      if   r = 3  

7

400

Evaluate the expression for q = 0. 

–18.8q = 

0

500

Evaluate the expression for s = 3 and t = 6.

st =  

18

Write variable expressions

100

Lena has 73 more elastic bands than Turner. Turner has r elastic bands. Choose the expression that shows how many elastic bands Lena has.

r+73

200

Candice has c pieces of candy. She gives away 76 of the pieces. Choose the expression that shows the number of pieces of candy Candice has left.

c-76

300

Britney picked p pears. Gabby picked 39 fewer pears than Britney. Choose the expression that shows how many pears Gabby picked.

p-39

400

Nathan bought b boxes of granola bars. There are 18 granola bars in each box. Choose the expression that shows how many granola bars Nathan bought.

18b

500

Tara has 8 comic books. Colton has c times as many comic books as Tara. Which expression shows how many comic books Colton has?

8c