Addition
Subtraction
Rounding Nearest Ten
Rounding Nearest Hundred
100

153 + 124 = ______

277

100

378 - 245 = ______

133

100

Round 281 to the nearest ten.

280

100

Round 286 to the nearest hundred

300

200

429 + 360 = _____

789

200

519 - 103 = _____

416

200

Round 647 to the nearest ten.

650

200

Round 831 to the nearest hundred

800

300

753 + 168 = _____

921

300

420 - 371 = ______

49

300

True or False: 

134 rounded to the nearest ten is 100.

False, it is 130.

300

True or False:

391 rounded to the nearest hundred is 400.

True

400

Break apart numbers to add 282 + 456.

200 + 80 + 2

400 + 50 + 6

600 + 130 + 8 

738

400

Add on to subtract.

228 + 2 + _____ + 4 = 304 

so 304 - 228 = _____

70

76

400

Between which two tens is the number 248? 

Draw a number line and include the two tens, the halfway number and 248.

_______________________

240              245     248     250

400

Between which two hundreds is 658.

Draw a number line and label it with the two hundreds, the halfway number and 658.

________________________

600              650    658      700

500

The sum of the equation below is written using hundreds, tens, and ones. Complete the equation.

134 + 697 = _____ hundreds + 12 tens + _____ ones

7 hundreds + 12 tens + 11 ones

500

The difference of the equation below is written using hundreds, tens, and ones. Complete the equation.

631 - 492 = 1 hundred + _____ tens + _____ ones

1 hundred + 3 tens + 9 ones

500

Which of the following numbers round to 640 when rounded to the nearest ten? Choose all that apply.

a. 635
b. 634
c. 645
d. 647
e. 641

a. 635

e. 641

500

Which of the following numbers round to 300 when rounded to the nearest hundred?

a. 267
b. 198
c. 346
d. 275
e. 401

a. 267
c. 346
d. 275