- Chapter 1.1
- Chapter 1.2
- Chapter 1.3
- Chapter 1.4
- Chapter 1.5
- Chapter 1.6
- Chapter 1.7
- Chapter 2.1
- Chapter 2.2
- Chapter 2.3
- Chapter 3.1
- Chapter 3.2
- Chapter 3.3
- Chapter 4
- Chapter 5.1
- Chapter 5.2
- Chapter 5.3
- Chapter 5.4
- Chapter 5.5
- Chapter 5.6
- Chapter 5.7
- Chapter 5.8
- Chapter 5.9
- Chapter 6.1
- Chapter 6.2
- Chapter 6.3
- Chapter 6.4
- Chapter 7
- Chapter 8
- Chapter 9.1
- Chapter 9.2
- Chapter 9.3
- Chapter 9.4
- Chapter 9.5
- Chapter 10
- Chapter 11
- Extra 1
- Extra 2
- Home
- Elements
Do ourselves (Chapter 2.3)
Activities
Add the following numbers (Put the result in the blank space)
(1)
2 9
+ 4 3
2
7
(2)
5 6
+ 2 7
3
8
(3)
3 8
+ 3 4
2
7
(4)
1 9
+ 2 5
4
4
(5)
7 6
+ 1 8
4
9
(6)
4 3
+ 3 7
0
8
(7)
1 8
+ 5 2
0
7
(8)
2 4
+ 2 6
0
5
(9)
4 4
+ 9
3
5
(10)
7 6
+ 8
4
8
(11)
9
+8 3
2
9
(12)
5
+ 5 7
2
6
(13)
3 1
+ 9
0
4
(14)
4 5
+ 5
0
5
(15)
8
+ 8 2
0
9
Add the following numbers (Put the result in the blank space)
(1)
28 + 37 =
65
(2)
49 + 23 =
72
(3)
55 + 16 =
71
(4)
64 + 27 =
91
(5)
47 + 45 =
92
(6)
46 + 36 =
82
(7)
35 + 29 =
64
(8)
13 + 78 =
91
(9)
57 + 13 =
70
(10)
38 + 22 =
60
(11)
45 + 35 =
80
(12)
26 + 64 =
100
(13)
39 + 3 =
42
(14)
45 + 7 =
52
(15)
6 + 58 =
64
(16)
5 + 68 =
73
(17)
47 + 3 =
50
(18)
81 + 9 =
90
(19)
2 + 48 =
50
(20)
6 + 74 =
80
Total Progress
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