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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: 7.92 x 1.9
1.0548
15.048
15.480
150.48

Q 2: 9.32 x 2.13
19.8516
1985.16
1.98516
198.516

Q 3: 4.7 x 3.2
15.04
1.504
15.040
15.23

Q 4: 2.75 x 100
275
.0275
2.750
27.5

Q 5: 5.3 x 2.7
1.431
14.31
1431
143.1

Q 6: 1.34 x 8.2
1.0957
10.988
1.098
10.878

Q 7: 8.34 x 4.3
39.421
35.862
32.95
4.625

Q 8: 8.3 x 1.7
2.165
23.11
14.11
8.21

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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