Subtraction
15-3=
15-3=12
27 -14 -------
no 27 -14 ------- 13
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.
27-4=
27-4=23
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.
9-8=
9-8=1
578 -142 -------
no 578 -142 ------- 436
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.
843 -370 -------
yes 843 -370 ------- 473
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.
$7.91 -$4.33 -----------
yes $7.91 -$4.33 ----------- $3.58
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