Adding and Subtracting Whole Numbers

Jim earns $22.50, $14.75, and $8.50 on three different days.  How much did he earn in all? 

• $28.75

• $45.25

• $45.75

• 457.50

Subtract using mental math:
  56
- 24
____

• 32

• 70

• 80

• 36

100+100+100+100+20

• 430

• 400

• 700

• 420

Addition and subtraction are _________ __________.

• inverse operations

• commutative property

• place value

• word form

Which number sentence matches?

• 6 + 10

• 33 + 46

• 303 + 40

Jen went to the candy store and got 57 white chocolate hugs. Cam got 10 less than Jen. How many white chocolate hugs did Cam get?

• 47

• 57

• 67

• 7

After we complete the ones place, what do we add now?

• Add the ones place.

• Add the hundreds place.

• Add the tens place.

What is the difference between the amount Ellie and Leo have?

• 231

• 537

• 352

• 111

Subtract.

210-

5

50 383 is _____ more than 50 373.