Addition
Round to the Nearest 10
Regrouping
Subtraction
Word Problems
100

What is 18+18

36

100

Round 8 to the nearest 10.

10

100

10 ones can regroup into ___ ten.

1

100

100-1

99

100

Cleo has 14 pens. Sky gives her 10 more. How many pens does she have now?

24

200

What is 123+123?

246

200

Round 22 to the nearest 10.

20

200

50 ones can regroup into ___ tens.

5

200

16-9

7

200

Mary-June has 15 books. She buys some more at a book fair. Now she has 20 books. How many books did she buy?

5

300

100+200+75+3

378

300

Round 75 to the nearest 10.

80

300

320 ones can regroup into ____ hundreds and ____ tens.

3 hundreds and 2 tens.

300

42-10

32

300

Grogu collects 36 rocks. Yoda collects 25 rocks. How many rocks do they have altogether?

61

400

What is 555+555

1110

400

Round 157 to the nearest 10.

160

400

2 hundreds and 20 tens can regroup into ____ hundreds.

4

400

38 - 12

26

400

Bella has 18 more rings than Mary-June. Mary-June has 24 rings. How many rings does Bella have?

42

500

What is 999+999?

1998

500

Round 1995 to the nearest 10.

2000

500

1 thousands, 22 hundreds, 13 tens and 3 ones can regroup into ____ Thousands, _____ hundreds, _____ tens and ____ ones.

3 thousands, 3 hundreds, 3 tens, and 3 ones.

500

123-25

98

500

Jillian has 15 crayons. Matt has 6 fewer crayons than Jillian. How many crayons do they have altogether?

24

M
e
n
u