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Rewrite
Place Value
Two-Digit Addition without Regrouping
Two-Digit Addition with Regrouping
Word Problems
100

How can we rewrite as addition to help us solve?

16 - ? = 8

8 + ___ = 16

100

Write 2 addition and 2 subtraction equations to match the number bond:

         62

35              27

There are 8 ones.

100
26 + 3 ____
29
100
37 +8 ___
45
100

In which of the following equations should 14 go in the box?

a) ___ - 7 = 14

b) 7 + 7 = ___

c) 16 - 3 = ___

d) 1 + ___ = 15

A and D

200

How can we rewrite as addition to help us solve?

18 - ? = 10

10 + ___ = 18

200

Write 2 addition and 2 subtraction equations to match the number bond:

         45

20              25

20 + 25 = 45

25 + 20 = 45

45 - 20 = 25

45 - 25 = 20

200
17 + 11 ____
28
200
46 + 24 ____
70
200

In which of the following equations should 18 go in the box?

a) ___ - 8 = 26

b) 10 + 9 = ___

c) 16 - 3 = ___

d) 1 + ___ = 19

a and d
300

How can we rewrite as addition to help us solve?


12 - ? = 2

2 + ___ = 12


300

Write 2 addition and 2 subtraction equations to match the number bond:

         55

42              13

There are 0 tens.

300
Rewrite the following addition sentence vertically: 32 + 16 =
32 +16 ___
300

63 + 29 ____

92

300

Which expressions are equal to 17 + 24?

a) 10 + 5 + 20 + 4

b) 1 + 7 + 2 + 4

c) 17 + 3 + 21

AC

400

How can we rewrite as addition to help us solve?

17 - ___ = 7

7 + ___ = 17
400

Izzabelle is working on solving this number sentence. She sees two numbers that make 10. How should she rewrite this sentence? 16 + 7 + 8 + 2


10 +10 +5 + 9

OR

10 + 10 + 10 + 4

400

43 + 24 =

43 +24 ____

400
47 26 +38 ___
111
400

How can we rewrite 11 + 14 + 2 to make it easier to solve?

a) 11 + 14 + 1

b) 10 + 10 + 7

c) 14 + 1 + 15

b

500

How can we rewrite as addition to help us solve?

20 - ___ = 5

5 + ___ = 20

500

Matias is working on solving this number sentence. She sees two numbers that make 10. How should she rewrite this sentence? 13 + 6 + 4 + 7

13 + 10 + 7

OR 

10 + 10 + 10


500

Which expressions are equal to 18 + 28?

a) 10 + 18 + 1

b) 1 + 8 + 2 + 8

c) 10 + 8 + 20 + 8

c

500

22 +18 ____

86

500

How can we rewrite 15 + 16 + 1 to make it easier to solve?

a) 15 + 16 + 1 + 1

b) 10 + 10 + 5 + 6 + 1

c) 16 + 1 + 15

b