Simple
Subtraction
Subtraction
10-8
10-8-2
45 -27 -----
45 -27 ----- 18
679 -141 ------ 538
679 -141 ------ 538
There were 38 kids working at a table. The teacher called 19 of them away to read together. How many were left at the table?
38-19=19 There are 19 children left working at the table.
15-9=
15-9=6
50 -26 ------
50 -26 ------ 24
There were 45 red and blue balloons. If 18 of them were red, how many were blue?
45-18=27 There were 27 blue balloons.
98-89=
98-89=9
90 - 27------
90 - 27 ------ 63
There were 66 students at the assembly. Then, 27 got up and sang a song. How many students were left in the audience?
66 - 27------- 43 There were 39 students in the audience.
120-111=
120-111=9
88 -88 ------
88 -88 ------ 0
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.
55-37=
55-37-18
78 -39 -----
78 -39 ----- 39
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