Addition
Subtraction
Rounding
100

898+624=_______

1,522

100

724-625=_________

99

100

Round 637 to the nearest ten and to the nearest hundred.

Ten: 640

Hundred: 600

200

596+342=_______

938

200

903-675=_______

228

200

True or False

1. 937 rounded to the nearest ten is 930.

2. 745 rounded to the nearest hundred is 700.

1. False

2. True

300

Find the missing addend.

457+_____=675

218

300

John has 500 cookies for his birthday party. His friends eat 349 of the cookies. How many cookies are left?

151

300

Which of the following numbers round to 540 when rounded to the nearest ten? Choose all answers that apply.

A: 532.        B: 545.       C: 542.     D: 539.     E: 534.

C and D

400

672+93+______+3=945

177

400

There are 925 students in 3rd Grade at Yellow Rock Elementary. 683 of the students walk home from school. How many students do not walk home from school?

242

400

Which of the following numbers round to 620 when rounded to the nearest ten? Choose all answers that apply.

A: 617.        B: 624.       C: 614.     D: 625.     E: 622.

A, B, and E

500

Joe scores 172 runs in the baseball season. Jerry scores 267 runs in the baseball season. How many runs did they score in all?

439

500

719 apples grow in an apple orchid. The farmer picks 629 apples off the trees. How many apples are left on the trees?

90

500

Which of the following numbers round to 700 when rounded to the nearest hundred? Choose all answers that apply.

A: 694.        B: 645.       C: 724.     D: 625.     E: 749.

A, C, and E

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