Rounding
Addition
Subtraction
Story Problems
100

Round 17 to the nearest 10. 

20

100

25 + 68 =

93

100

85-26=

59

100

Mrs. Mariner made 47 pots this year at the museum. She gave 22 of them to her students. How many pots does she have left? 

25 pots

200

Round 72 to the nearest 10

70

200

49+82=

131

200

152-67=

85

200

Mrs. Hessch was buying paint brushes for the art room. She had 172 brushes and bought another 293. How many paint brushes does she have now? 

465 paint brushes

300

Round 148 to the nearest 10

150

300

91+357=

448

300

876-432=

444

300

Mrs. Hansen was driving her car. When she stared she had to travel 428 miles. After traveling for awhile, she now only has 163 miles left. How far did she travel?

265 miles

400

Round 376 to the nearest 100

400

400

537+421

958

400

645-328=

317

400

ChaCha was counting the number of scarves he has in the gym. He counted 474 scarves in his office but then found another 256 scarves in the gym. How many scarves does he have in all?

730 scarves

500

Round 754 to the nearest 100

800

500

369+258

627

500

800-426=

674

500

Mrs. Calhoun was baking cookies for Christmas. She baked 700 sweets for her friends and family. After Christmas she had 165 sweets left over. How many sweets did her friends and family eat? 

535 sweets