Understanding Multiplying By 10s & 100s - Math Worksheet With Answer Key Page 2
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3Answer Key
Name:
Understanding Multiplying By 10s & 100s
Determine the answer to the following problems.
A n s w e r s
300
300
1) If 6 × 5 = 30 , then 6 × 50 =
1.
4,200
4,200
2) If 6 × 7 = 42 , then 600 × 7 =
2.
630
630
3) If 9 × 7 = 63 , then 9 × 70 =
3.
2,400
2,400
4) If 8 × 3 = 24 , then 800 × 3 =
4.
8,100
8,100
5) If 9 × 9 = 81 , then 9 × 900 =
5.
2,700
2,700
6) If 3 × 9 = 27 , then 300 × 9 =
6.
6,400
6,400
7) If 8 × 8 = 64 , then 8 × 800 =
7.
100
100
8) If 2 × 5 = 10 , then 20 × 5 =
8.
2,500
2,500
9) If 5 × 5 = 25 , then 5 × 500 =
9.
480
480
10) If 8 × 6 = 48 , then 80 × 6 =
10.
1,500
1,500
11) If 5 × 3 = 15 , then 5 × 300 =
11.
80
80
12) If 2 × 4 = 8 , then 20 × 4 =
12.
700
700
13) If 7 × 1 = 7 , then 7 × 100 =
13.
240
240
14) If 6 × 4 = 24 , then 60 × 4 =
14.
900
15) If 9 × 1 = 9 , then 9 × 100 =
900
15.
320
16) If 8 × 4 = 32 , then 80 × 4 =
320
16.
100
17) If 5 × 2 = 10 , then 5 × 20 =
100
17.
180
18) If 9 × 2 = 18 , then 90 × 2 =
180
18.
400
19) If 5 × 8 = 40 , then 5 × 80 =
400
19.
400
20) If 4 × 1 = 4 , then 400 × 1 =
400
20.
95 90 85 80 75 70 65 60 55 50
1-10
10
Math
45 40 35 30 25 20 15 10
5
0
11-20
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