Multiplication Rules Flashcards
1
Q
9*1=
A
9
Identity property of multiplication: anything times 1 is just itself.
2
Q
4*10=
A
40
Times 10 : anything times 10 just gets an extra zero stuck go the end.
3
Q
3*5=15
5*3=15
A
Commutative property: I can switch the order of a multiplication problem.
4
Q
Given the rules, how many multiplication facts have to memorize?
A
36
5
Q
3*2
A
6
6
Q
4*2
A
8
7
Q
4*3
A
12
8
Q
4*4
A
16
9
Q
6*2=
A
12
10
Q
6*3=
A
18
11
Q
6*4=
A
24
12
Q
6*5=
A
30
13
Q
6*6=
A
36
14
Q
7*2=
A
14
15
Q
7*3=
A
21
16
Q
7*4=
A
28
17
Q
7*5=
A
35
18
Q
7*6=
A
42
19
Q
7*7=
A
49
20
Q
8*2=
A
16
21
Q
8*3=
A
24
22
Q
8*4=
A
32
23
Q
8*5=
A
40
24
Q
8*6=
A
48
25
8*7=
56
26
8*8=
64
27
9*2=
18
28
9*3=
27
29
9*4=
36
30
9*5=
45
31
9*6=
54
32
9*7
63
33
9*8=
72
34
9*9=
81
35
7*0=
Zero property on multiplication:anything times zero is zero.
