Level 1B (1, 2, 5, 10) Flashcards
Both directions using commutative law
1
Q
3 x 1
A
3
2
Q
4 x 1
A
4
3
Q
6 x 1
A
6
4
Q
7 x 1
A
7
5
Q
8 x 1
A
8
6
Q
9 x 1
A
9
7
Q
3 x 2
A
6
8
Q
4 x 2
A
8
9
Q
6 x 2
A
12
10
Q
7 x 2
A
14
11
Q
8 x 2
A
16
12
Q
9 x 2
A
18
13
Q
3 x 5
A
15
14
Q
4 x 5
A
20
15
Q
6 x 5
A
30