Lesson 15- Multiplying Decimals By Multiples of 10 Or 100
Objective
At the end of this lesson, students should be able to multiply decimals by multiples of 10 or 100.
Decimals can easily be multiplied by multiples of 10 or 100.
Example 1
a) 1.52 x 20 b. 4.671 x 50
Solution
Example 2
a) 3.64 x 400 b. 7.805 x 800
Solution
Unit 10 Lesson 15: Exercise 1
1. 75 2. 184.8 3. 165.8 4. 8.82 5. 167.18
6. 617.0 7. 18298 8. 5539.5 9. 2572 10. 142.4
6. 617.0 7. 18298 8. 5539.5 9. 2572 10. 142.4
Unit 10 Lesson 15: Exercise 2
Work out the following multiplications.
1. 621 2. 42 3. 66 4. 2970 5. 956.5
6. 8451 7. 27.16 8. 2.92 9. 103.95 10. 388740
6. 8451 7. 27.16 8. 2.92 9. 103.95 10. 388740