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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

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.
Q 1: 4.6 x 8.6
39.56
43.84
48.36
16.25

 Q 2: 1.34 x 8.2
10.988
1.0957
1.098
10.878

Q 3: 8.34 x 4.3
32.95
39.421
4.625
35.862

 Q 4: 8.3 x 1.7
14.11
23.11
2.165
8.21

Q 5: 4.7 x 3.2
1.504
15.04
15.23
15.040

 Q 6: 3.8 x 1000
3800
3.800
38
380

Q 7: 6.12 x 8.4
52.329
514.08
51.408
5140.8

 Q 8: 6.6 x 4.5
2.97
29.68
29.7
45.07

Question 9: This question is available to subscribers only!

 Question 10: This question is available to subscribers only!


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