Patterns
Estimate
Subtract Whole Numbers
100

184+0=184

What is Identity Property of Addition?

100

10 more than 125.

What is 135?

100

The operation that puts numbers together.

100

82 + 59.

What is 141?

100

83-12=

What is 71?

200

65+43=43+65

What is the Commutative Property of Addition?

200

100 more than 567.

What is 667?

200

A number close to an exact value.

What is an estimate?

200

185 + 98=

What is 283?

200

148-87=

What is 61?

300

15+ (3+6)= (15+3) +6

What is the Associative Property of Addition?

300

1,000 more than 45,289.

What is 46,289?

300

We can use rounding.

What is one way to estimate?

300

14,586 + 12,789.

What is 27, 375?

300

1,849-784=

What is 1,065?

400

179+_____=84+179

What is 84?

400

34,957 is ______ more than 33,957.

What is 1,000?

400

An amount that has not been identified.

What is an unknown?

400

586,498 + 129,243=

What is 715,741?

400

The difference of 470,000 and 125,478.

What is 344,522?

500

(4+5) +13 =______

What is 22?

500

100,000 more than 983,155.

What is 1,083,155?

500

The answer to a subtraction problem.

What is the difference?

500

846,228 + ________= 1,125,812.

What is 279,584?

500

740,092-_________=492,784.

What is 247,308.

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