Addition/Subtraction
5252 + 3685
8937
8 x 8
64
13 x 6
78
I put 4 markers into each bin. There were 12 bins. Then I lost 16 markers. How many markers do I have now?
4 x 12 = 48
48 - 16 = 32
812 - 47
333
12 x 5
60
18 x 4
72
I earned $456 on Monday. On Tuesday I spent $289, then on Wednesday I spent another $99. How much money do I have left?
456-289 = 167
167-99=68
What is Mr.Zhu’s hobby?
ask Mr.Zhu!
78 + 23 + 45
146
9 x 8
72
16 x 7
112
There are 9 tables in a room. Each table has 8 pieces of candy on it. Someone came and stole 13 pieces of candy. How much candy is left on the tables?
9 x 8 = 72
72 - 13 = 59
What is Mr.Lin’s hobby?
ask Mr.Lin
(928 - 672) + 319
575
12 x 7
84
23 x 5
115
I planted 12 rows of strawberry plants. Each plant gave me 11 strawberries. I need 150 strawberries to make a pie, how many more strawberries do I need?
11 x 12 = 132
150 - 132 = 18
332
12 x 8
96
32 x 8
256
I ran 7 miles a day for a week. The next week I ran 3 miles a day for a week. How much did I run in 2 weeks.
7 x 7 = 49
3 x 7 = 21
49 + 21 = 70
What is Ms.Mei’s hobby?
ask Ms.Mei!