Addition and Subtraction
34 + 27 =
34 + 27 = 61
A classroom has 24 students. The teacher gives each student 2 stickers.
How many stickers does the teacher need?
Answer: 48 stickers (24 × 2)
12x8
96
20x20
400
2x3x5
30
91 - 36 =
91 - 36 = 55
Liam has 84 marbles. He shares them equally with 7 friends.
How many marbles does each friend receive?
Answer: 12 marbles (84 ÷ 7)
18/3
Answer: 6
12x12
144
7x8x2
112
327 − 158 = ?
Answer: 169
A bakery made 125 muffins in the morning and 98 muffins in the afternoon. They sold 157 muffins.
How many muffins are left?
Answer: 66 muffins
(125 + 98 = 223, then 223 − 157 = 66)
33x5
165
15x20
300
2x3x4x2
48
8,250 − 86 = ?
Answer: 8,164
A school has 18 classrooms. Each classroom has 24 students. On a field trip, 57 students were absent.
How many students went on the field trip?
Answer: 375 students
(8 × 24 = 192, then 192 − 57 = 135)
54/9
Answer: 6
45x11
495
5x5x2x6
300
275 + 568 − 59 = ?
Answer: 784
A charity collected 1,260 cans of food.
How many cans were left after the donations?
Answer: 810 cans
Solution:
27x9
243
17x23
391
5x4x6x3
360