Addition with 10's
20 + 30
50
30 - 10
20
34 + 22
56
9
Elsa threw 34 snowflakes. Ana threw 21 more. How many did they throw all together?
55
30 + 40
70
40 - 20
20
47 + 12
59
33 - 12
21
Miss Fero had 30 stickers. She gave out 15 to her class. How many did she have left?
15
50 + 50
100
50 - 20
30
67 + 22
89
45 - 16
29
The Bills scored 13 points in the first half. Then they scored 45 more in the second. How many points did they score in all?
58
60 + 40
100
40
51 + 46
97
67 - 46
21
Suzy had 56 water bottles to give out at a race. She gave out 29 of them during the race. How many did she have leftover?
27
80 + 30
110
90 - 80
10
67 + 67
134
90 - 56
34
4