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Subtraction
To Regroup or Not to Regroup
2 Digit
Subtraction
3 Digit
Subtraction
Story Problems
100

15-3=

15-3=12

100

2,163 -1,421 -------

yes regroup

2,163 -1,421 = 742

100
45 -21 -----
45 -21 ----- 24
100
679 -141 ------ 538
679 -141 ------ 538
100

There were 230 kids working at a table. The teacher called 46 of them away to read together. How many were left at the table?

230-46= 184 

200
7-4=
7-4=3
200
56 -29 -------
yes 56 -29 ------- 27
200
50 -26 ------
50 -26 ------ 24
200
721 -417 ------
721 -417 ------ 304
200

There were 150 red and blue balloons. If 75 of them were red, how many were blue?

150-75=75  There were 75 blue balloons.

300
9-8=
9-8=1
300
578 -142 -------
no 578 -142 ------- 436
300
90 - 11 ------
90 - 11 ------ 79
300
853 -199 ------
853 -199 ------ 654
300

There were 6,675 students at the assembly. Then, 2,398 got up and sang a song. How many students were left in the audience?

6,675-2,398 ------- 4,277 There were 4,277 students in the audience.

400
12-10=
12-10=2
400
843 -370 -------
yes 843 -370 ------- 473
400
88 -88 ------
88 -88 ------ 0
400
$5.25 - $2.11 ----------
$5.25 - $2.11 ---------- $3.14
400

There are 796 chickens in the coop. Only 139 of them laid eggs. How many chickens did not lay an egg?

796 - 139 ------  There were 657 chickens that did not lay an egg.

500
15-8=
15-8=7
500
$7.91 -$4.33 -----------
yes $7.91 -$4.33 ----------- $3.58
500
79 -26 -----
79 -26 ----- 53
500
$8.25 - $4.78 ------------
$8.25 - $4.78 ------------ $3.47
500
Mrs. Farmer had $7.50 in her pocket. She spend $3.99 on a new frisbee for Bingo. How much change does Mrs. Farmer have in her pocket now?
$7.50 - $3.99 ----------- $3.51 Mrs. Farmer has $3.51 left in her pocket