Rounding
Addition
Subtraction
Decimals
Word Problems
100

Round 86 to the nearest 10.

90

100

632 + 119 

751

100

587-324

263

100

12.3 + 4.5

16.8

100

Samantha has 48 apples. She gives 15 apples to her friend. How many apples does Samantha have left?

33 apples

200

Round 725 to the nearest hundred.

700

200

4,629 + 2,516

7,145

200

2,315 - 1,672

643

200

25.7 - 13.4

12.3

200

A bottle holds 12.5 liters of water. Sarah pours out 4.3 liters.

8.2 liters

300

Round 5,687 to the nearest thousand.

6,000

300

26,584 + 38,217

64,801

300

43,062 - 27,845

15,217

300

123.45 + 67.89

191.34

300

Tom has 75 baseball cards. He buys 48 more cards, but then gives 30 to his friend.

93 baseball cards

400

Round 4.564 to the nearest tenth.

4.6

400

80,406 + 39,789

120,195
400

80,504 - 39,768

40,736

400

56.78 + 198.376

255.156

400

A store had 120.75 meters of ribbon. They sold 45.4 meters in the morning and 32.6 meters in the afternoon.

42.75 meters

500

Round 3.093 to the nearest whole number.

3

500

702,315 + 468,957

1,171,272

500

782,200 - 468,957

313,243

500

200.05 - 87.68

112.37

500

Jenny had $150.50. She bought a book for $42.75 and a snack for $5.60.

$102.15