Word Problems
Regrouping
Across Zero
Estimate. Solve.
100

Tony played basketball for 90 minutes on Saturday. He played for 45 minutes on Sunday. How much longer did Tony play basketball on Saturday than on Sunday?

45 minutes

100

124 - 56

68

100

400 - 243

157

100

31 - 9; tens

20

200

The ice cream shop sold 78 strawberry scoops, 87 chocolate scoops, and 47 vanilla scoops this week. How many more chocolate scoops did they sell than strawberry scoops?

9 scoops

200

6,496 - 3,623

2,873

200

3,009 - 1,236

1,773

200

53 - 16; tens

30

300

Isaic earns $100 a month. In August, Isaic managed to save $73 of his $100. In September, he saved $15. How much more money did he save in August than in September?

$58

300

6,425 - 3,814

2,611

300

100 - 49

51

300

327 - 174; hundreds

100

400

Allona pays $193 a month for riding lessons. She also pays $125 a month for guitar lessons. About how much more does it cost for riding lessons than guitar lessons?

$100

400

7,127 - 2,893

4,234

400

200 - 121

79

400

$3,257 - $189; hundreds

$3,100

500

Gloria walked her dog for 52 minutes on Thursday, 46 minutes on Saturday, and 36 minutes on Sunday. About how many more minutes did Gloria walk her dog on Thursday than on Sunday?

10 minutes

500

9,824 - 1,509

8,315

500

5,000 - 354

4,646

500

4,987 - 3,112; tens

1,880

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