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Grade 4 - Mathematics
9.12 Multiplying a Decimal by a Decimal

Method:
  1. Multiply ignoring the decimal point and get the product.
  2. Count the number of digits after the decimal point for the first number.
  3. Count the number of digits after the decimal point for the second number.
  4. Add both
  5. Starting from the right most digit for the product, count the total number of digits and place the decimal point.
Example

Directions: Find the product of the following decimal numbers. Also write at least 10 examples of your own.

Name: ___________________

Date:___________________

Grade 4 - Mathematics
9.12 Multiplying a Decimal by a Decimal

Q 1: 25.6 x 3.4
87.04
8.704
870.4
87.15

 Q 2: 6.12 x 8.4
5140.8
514.08
52.329
51.408

Q 3: 9.32 x 2.13
1.98516
198.516
1985.16
19.8516

 Q 4: 5.3 x 2.7
1.431
14.31
143.1
1431

Q 5: 8.3 x 1.7
8.21
2.165
23.11
14.11

 Q 6: 8.34 x 4.3
35.862
4.625
39.421
32.95

Q 7: 4.6 x 8.6
39.56
16.25
43.84
48.36

 Q 8: 7.92 x 1.9
1.0548
150.48
15.048
15.480

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