Understanding Multiplying By 10s & 100s - Math Worksheet With Answer Key

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Understanding Multiplying By 10s & 100s
Determine the answer to the following problems.
A n s w e r s
1) If 3 × 1 = 3 , then 3 × 100 =
1.
2) If 7 × 8 = 56 , then 700 × 8 =
2.
3) If 7 × 2 = 14 , then 7 × 200 =
3.
4) If 5 × 2 = 10 , then 50 × 2 =
4.
5) If 7 × 4 = 28 , then 7 × 40 =
5.
6) If 9 × 3 = 27 , then 90 × 3 =
6.
7) If 2 × 8 = 16 , then 2 × 80 =
7.
8) If 6 × 5 = 30 , then 60 × 5 =
8.
9) If 9 × 8 = 72 , then 9 × 80 =
9.
10) If 2 × 7 = 14 , then 200 × 7 =
10.
11) If 8 × 1 = 8 , then 8 × 100 =
11.
12) If 8 × 2 = 16 , then 800 × 2 =
12.
13) If 9 × 6 = 54 , then 9 × 60 =
13.
14) If 7 × 9 = 63 , then 70 × 9 =
14.
15) If 4 × 5 = 20 , then 4 × 500 =
15.
16) If 2 × 6 = 12 , then 200 × 6 =
16.
17) If 7 × 5 = 35 , then 7 × 50 =
17.
18) If 5 × 6 = 30 , then 500 × 6 =
18.
19) If 3 × 9 = 27 , then 3 × 900 =
19.
20) If 2 × 4 = 8 , then 20 × 4 =
20.
95 90 85 80 75 70 65 60 55 50
1-10
6
Math
45 40 35 30 25 20 15 10
5
0
11-20

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