Addition without Regrouping
Addition with Regrouping
Subtraction without Regrouping
Subtraction with Regrouping
Word Problems (CUBS)
100

56+21=

77

100

19+3=

22

100

27-3=

24

100

42-7=

35

100

Liam had 45 marbles.
He gave 17 marbles to his friend.
How many marbles does Liam have now?

28 marbles

200

81+14=

95

200

64+27=

91

200

48-27=

21

200

61-39=

22

200

There were 82 apples in the basket.
Some kids ate 29 apples during lunch.
How many apples are left in the basket?

53 apples

300

395+101=

496

300

199+510=

709

300

352-12=

340

300

246-19=

227

300

mma has 134 stickers.
Her friend gave her 78 more stickers.
How many stickers does Emma have now?

212 stickers

400

832+157=

989

400

790+328=

1,118

400

796-473=

323

400

502-237=

265

400

There were 215 people at a school play on Friday.
On Saturday, 189 more people came to watch the play.
How many people came to the play in total on both days?

404 people

500

746+143=

889

500

5,862+1,903=

7,765

500

5,461-3,211

2,211

500

3,032-2,619=

413

500

A library had 326 books.
During the year, 158 books were checked out and not returned yet.
How many books are still in the library?

168 books