Multiplication as Repeated Addition
2 and 5 as factors
10 as a factor
9 as a factor
Multiplying with 0 and 1
100
2 + 2 + 2 + 2 = 4 x __
2
100
2 x 6 =
12
100
2 x 10 =
20
100
3 x 9 =
27
100
1 x 7 =
7
200
7 + 7 + 7 + 7 = __ x __
4 x 7
200
5 x 5 =
25
200
8 x 10 =
80
200
6 x 9 =
54
200
0 x 8 =
0
300
6 ___ 2 = 8
+, plus
300
3 x 5 ___ 4 x 5
<, less than
300
10 x 10 =
100
300
9 x 9 =
81
300
548 x ___ = 548
1
400
Can you write 3 + 5 + 6 = 14
No. The groups are not equal.
400
2 x 8 ___ 8 x 2
=
400
Mary Ann earns $10 each day walking the neighborhood dogs. how much will she earn in 7 days?
$70
400
A baseball game has 9 innings. A doubleheader is 2 games in the same day. How many innings are in a doubleheader?
18
400
2 x 9 ____ 1 x 9
>, greater than
500
Can you write 3 + 3 + 3 + 3 as a multiplication sentence?
Yes, the groups are equal. 4 x 3 = 12
500
There are 5 days in each school week. How many school days are there in 9 weeks?
45
500
Mr. keyes made foru rows of 10 cookies. Seven of the cookies in the first row were eaten. How many cookies remain?
33
500
Which number below is a multiple of 9? a) 26 b) 36 c) 55
b) 36
500
A unicycle relay team has 4 riders. Each rider has one unicycle. If each unicylce has 1 wheel, how many wheels does the team have?
4 wheels
M
e
n
u