Vocabulary
Adding Whole Numbers
Subtracting Whole Numbers
Subtracting Across Zeros
100

What is the answer to an addition problem called?

The Sum

100

Find the sum: 718+865

1,583

100

936-218= ____

718

100

1,902-1,374= ___

528

200
What is the answer to a subtraction problem called?

The difference

200

Find the sum: 909+624

1,533

200

826-184=____

642

200

84,010-3,992= __

80,018

300

Which property states that the sum of any number and zero is that number?

Identity property of addition

300

Add: 14,312 +9,617

4,695

300

281,311-3,427= ___

277,884

300

726,003-282,942= __

443,061

400

Which property states that a number can be added in any order and the sum stays the same?

The commutative property of addition

400

Add: 29,634 + 12,958 + 6,835

49,427

400

49,735-25,276=_____

24,459

400

63,000-48,673

14,327

500

Which property states that addends can be grouped any way and the sum remains the same?

The associative property of addition

500

Maria added 45,273 and 35,687 and got the sum of 70,960. Is Maria's answer reasonable? Explain. 

No, 45,273 + 35,687 is about 45,000 + 36,000=81,000. Maria's sum is not 81,000.

500

What is the missing digit in the subtraction problem" 365,928 - 17__,259=187,669

8

500

Find the difference: 60,000-38,243=

21,757

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