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
