Addition (Chapter 2.2)
Activities
Add the following numbers (Put the result in the blank space)
(1)
1 9
+ 2 3
2
4
(2)
3 6
+ 1 7
3
5
(3)
1 8
+ 5 4
2
7
(4)
4 7
+ 3 9
6
8
(5)
5 6
+ 4
0
6
(6)
16 + 18 =
34
(7)
27 + 67 =
94
(8)
38 + 53 =
91
(9)
45 + 49 =
94
Add the following numbers (Put the result in the blank space)
(1)
4 7
+ 2 3
0
7
(2)
3 1
+ 1 9
0
5
(3)
1 4
+ 5 6
0
7
(4)
7 8
+ 9
7
8
(5)
6 5
+ 5
0
7
(6)
16 + 24 =
40
(7)
37 + 53 =
90
(8)
38 + 22 =
60
(9)
45 + 45 =
90
(10)
47 + 5 =
52
(11)
6 + 36 =
42
(12)
82 + 8 =
90
(13)
3 + 57 =
60
How to calculate 28 + 52?
2 |
8 |
|
+ |
5 |
2 |
|
8
|
0
|
How to calculate 37 + 6?
3 |
7 |
+ |
6 |
|
4
|
3
|
How to calculate 51 + 9?
5 |
1 |
+ |
9 |
|
6
|
0
|




