Evaluate Addition and Subtraction Expressions

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75

Evaluate each expression if a = 2 and b = 5

3 + a = _______

• 5

• 6

• 7

• 8

Evaluate each expression if a = 2 and b = 5

11 - b = _______

• 9

• 13

• 6

• 16

Indra has $10. Jackson has x more dollars than Indra.

If x = $5, how much money does Jackson have.

• $10 x 5 = $5

• $10 - 5 = $5

• $10 ÷ 5 = $2

• $10 + 5 = $15

Which words match the expressions (6 + 4) - 2

• the sum of six and four and then take away 2

• the difference of four and 2 then add 6

• the quotient of six and 4 the take away 2

• multiply 6 and 4 plus 2

What word or words tell you to subtract

• minus

• difference

• product

• less than

Using the steps shown, Heather tried to simplify this expression. What was her first mistake?

• Step 1

• Step 2

• Step 3

• Step 4

Solve.

• 96

• 137

• 145

• 280