1. 1 3 7
1 2 3 21 12 03 21 42 63
4 5 6 24 15 06 14 35 56
7 8 9 27 18 09 07 28 49
9
81 72 63
54 45 36
27 18 09

2. 2 4 6
02 04 06 12 24 36 42 24 06
08 10 12 08 20 32 48 30 12
14 16 18 04 16 28 54 36 18
8
72 64 56
48 40 32
24 16 08

3. Basic
OperatiOns
1 9 + 7 = 16
2 5 X 6 = 30
3 18 – 9 = 9
4 4 X 5 = 20
5 24 ÷ 6 = 4
6 0 X 8 = 0
7 13 – 9 = 4
8 16 ÷ 4 = 4
9 8 + 5 = 13
10 9 – 5 = 4

4. Basic
Operations
11 30 ÷ 6 = 5
12 6 X 0 = 0
13 32 ÷ 8 = 4
14 0 + 9 = 9
15 16 – 9 = 7
16 7 X 8 = 56
17 49 ÷ 7 = 7
18 9 + 7 = 16
19 8 X 9 = 72
20 17 – 8 = 9

5. Basic
Operations
21 56 ÷ 7 = 8
22 8 X 5 = 40
23 16 ÷ 4 = 4
24 9 + 4 = 13
25 12 – 7 = 5
26 7 X 6 = 42
27 36 ÷ 6 = 6
28 8 + 3 = 11
29 9 X 3 = 27
30 17 – 9 = 8

6. Basic
Operations
31 5 + 4 = 9
32 4 X 6 = 24
33 10 – 7 = 3
34 4 X 9 = 36
35 30 ÷ 6 = 5
36 3 X 8 = 24
37 14 – 9 = 5
38 45 ÷ 9 = 5
39 3 + 8 = 11
40 11 – 6 = 5

7. Basic
Operations
31 5 + 4 = 9
32 4 X 6 = 24
33 10 – 7 = 3
34 4 X 9 = 36
35 30 ÷ 6 = 5
36 3 X 8 = 24
37 14 – 9 = 5
38 45 ÷ 9 = 5
39 3 + 8 = 11
40 11 – 6 = 5