Expressions

Write a variable expression for:

the quotient of 4 and a number increased by 10.

• 4 - n + 10

• 4n - 10

• 4/(n + 10)

• 4 / n + 10

Write a verbal expression for:

27 - y = 18

• 18 increased by a number is 27

• 27 increased by a number is 18

• The difference between 27 and a number is 18

• 27 times a number is 18

Write a variable expression for:

a number (n) split equally into 4 groups

• 4 ÷ n

• n ÷ 4

• 4n

• n + 4

Write a variable expression for:

a number decreased by 51 is 213

• x + 51 = 213

• x - 51 = 213

• x • 51 = 213

• x ÷ 51 = 213

Write a verbal expression for:

5m + 9 = 19

• 5 times a number plus 9 is 19

• A number plus 9 times 5 is 19

• 5 times a number is 19 minus 9

• 9 times a number m plus 5 is 19

A variable is -

• a number

• the equal sign

• the answer

• a letter representing an unknown number

7 fewer than a number, t

• t - 7

• 7 - t

21 fewer than a number, g

• g - 21

• 21 - g

Which equation represents "a number, y, increased by 45 is 97"?

• y + 45 = 97

• y - 45 = 97

• y ÷ 45 = 97

• y X 45 = 97

Which equation represents “a number, decreased by 22 is 150”?

• x + 22 = 150

• x ÷ 22 = 150

• x – 22 = 150

• 22 – x = 150