Subtraction
27-18
9
12+19
31
17-11
6
5*1
114 birds were sitting in a tree. 21 more birds flew up to the tree. How many birds were there altogether in the tree?
135 birds
78-24
54
77+66
143
56-49
7
1*12
12
29 birds were sitting in a tree. Some more fly up to the tree. Then there were 142 birds in the tree. How many more flew up to the tree?
113 birds
122-59
63
125+59
184
143-68
75
4/4
1
Jane has 24 apples. She wants to divide them equally into 4 baskets. How many apples will be in each basket?
6 apples in each basket
155-117
38
191+187
378
227-109
118
2*3
6
Liam went to the doctor. There are 8 patients waiting. The nurse told him it will be his turn after 2 hours. How many minutes would the doctor use to see each patient?
15 minutes
132-68
64
1839+1963
3802
342-257
85
8*9
72
20 people will attend a party and Mrs. Carson plans for each person to eat one eighth of a pie. Each pie takes 35 minutes to bake but Mrs. Carson’s oven is so small she can only fit one pie at a time. The party starts at 3:00 p.m. When is the latest time for Mrs. Carson to start baking?
1:15pm
because she needs 1 hour and 45 minutes to bake all 3 pies