Simple
Subtraction
To Regroup or Not to Regroup
Balance equation
Story Problems
100

20-5=

20 - 5=15

100
27 -14 -------
no 27 -14 ------- 13
100

20 - 12 = 10 - ? 

2
100
There were 8 kids working at a table. The teacher called 3 of them away to read together. How many were left at the table?
8-3=5 There are 5 children left working at the table.
200
7-4=
7-4=3
200
56 -29 -------
yes 56 -29 ------- 27
200

40 - 10 = __ - 20 

50 

200
There were 15 red and blue balloons. If 7 of them were red, how many were blue?
15-7=8 There were 8 blue balloons.
300
9-8=
9-8=1
300

78 -42 -------

78 - 42 = 36

300
100 - _?_ = 77 - 7 

30 

300
There were 66 students at the assembly. Then, 23 got up and sang a song. How many students were left in the audience?
66 - 23 ------- 43 There were 43 students in the audience.
400
12-10=
12-10=2
400

46 - 29 = 

46 - 29= 

400

88 - 23 = 70 - ? 

5

400
There are 72 chickens in the coop. Only 49 of them laid eggs. How many chickens did not lay an egg?
72 - 49 ------ 23 There were 23 chickens that did not lay an egg.
500
15-8=
15-8=7
500

91 - 43 = 

91 - 43 = 48

500

79 -26 = 55 - ? 

2

500

Mrs. Farmer had $75 in her pocket. She spend $39 on a new frisbee for Bingo. How much change does Mrs. Farmer have in her pocket now?

75 - 39 = 36

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