Addition within 100
Practice adding two-digit and one-digit numbers
Addition within 100
Practice adding two-digit and one-digit numbers
Math - Grade 2-3
- 1
Solve: 14 + 5
Count on 5 more from 14.
14 + 5 = 19. - 2
Solve: 27 + 10
27 + 10 = 37. - 3
Solve: 36 + 8
Add the ones first.
36 + 8 = 44. - 4
Solve: 45 + 12
45 + 12 = 57. - 5
Solve: 58 + 7
Think about getting to 60 first.
58 + 7 = 65. - 6
Solve: 23 + 34
23 + 34 = 57. - 7
Solve: 49 + 6
Add 1 to make 50, then add the rest.
49 + 6 = 55. - 8
Solve: 61 + 18
61 + 18 = 79. - 9
Solve: 72 + 9
Count on 9 from 72.
72 + 9 = 81. - 10
Solve: 15 + 25
15 + 25 = 40. - 11
Lina has 32 stickers. She gets 6 more stickers. How many stickers does she have now?
Add 6 to 32.
Lina has 38 stickers now because 32 + 6 = 38. - 12
A jar has 41 marbles. 17 more marbles are added. How many marbles are in the jar now?
There are 58 marbles in the jar now because 41 + 17 = 58. - 13
There are 28 birds in a park. Then 30 more birds arrive. How many birds are there in all?
Add the tens and ones.
There are 58 birds in all because 28 + 30 = 58. - 14
Sam read 19 pages on Monday and 24 pages on Tuesday. How many pages did Sam read in all?
Sam read 43 pages in all because 19 + 24 = 43. - 15
Write and solve an addition equation for this story: A class collected 46 cans one week and 13 cans the next week. How many cans did the class collect in all?
Write the two numbers as an addition problem first.
The addition equation is 46 + 13 = 59. The class collected 59 cans in all.