Rounding to Nearest Ten
Rounding to Nearest Hundred
Subtraction
Addition
Mystery...
100

144 rounded to the nearest ten

What is 140

100

144 rounded to the nearest hundred

What is 100

100

87-25=____

What is 62

100

87+25=___

What is 102

100

729 = 7 hundreds, ___ tens, and ___ ones

What is 7 hundreds, 2 tens, and 9 ones

200

488 rounded to the nearest ten

What is 490

200

488 rounded to the nearest hundred

What is 500

200

195-104=__

What is 91
200

395+104=___

What is 499

200

891 = ___ hundreds, 9 tens, and ___ one(s)

What is 8 hundreds, 9 tens, and 1 one

300

235 rounded to the nearest ten

What is 240

300

235 rounded to the nearest hundred

What is 200

300

64-46=___

What is 18

300

364+547=___

What is 911

300

Breaking apart looks like... 

(use number 634 and 263 to show)

634 = 600 + 30 + 4

263 = 200 + 60 + 3

600 + 200 = 800, 30 + 60 = 90, 4 + 3 = 7

800 + 90 + 7 = 897

400
867 rounded to the nearest ten

What is 870

400

867 rounded to the nearest hundred

What is 900

400

872-256=___

What is 616

400

723+189=___

What is 912

400

True or false: 962 rounded to the nearest hundred is 960

False

500
599 rounded to the nearest ten

What is 600

500

599 rounded to the nearest hundred

What is 600

500

623-376=__

What is 247

500

478+395=____

What is 873

500

SHOW ME TWO DIFFERENT STRATEGIES!

Solve 563 - 244 = ___

What is 319
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