Chapter 4 - Decimals

Question 0

How do you subtract decimals?

Answer 0

Subtract 12.876 from 39.45

39. 450
    - 12. 876
40. 574 ~ Answer

Question 1

How do you add and decimals?

Answer 1

Add 146.076, 12.34, 1.6
  146.076
  012.340
\+001.600
  160.016 ~ Answer

Question 2

How do you multiply decimals?

Answer 2

The amount of numbers after the decimal point in your answer is the sum of the amount of numbers after the decimal point in the two numbers you multiplied.

e.g 8.6345 x 2.38462 = 20.59000139 ~ only eight

Question 3

How do you divide fractions?

Answer 3

1. When dividing decimals by a whole number, keep the decimal points in line in question and answer.
2. When dividing a whole number by a decimal (9/0.3), change the denominator to a whole number e.g. 9/0.3 = 9 x 10/0.3 x 10=90/30= 30