subtracting decimals honors math grade 5. saturn takes 29.45 earth years to revolve around the sun....
DESCRIPTION
To subtract decimals… 1. Line up the decimal points. 2.Add zeros as place holders if necessary. 3.Subtract normally from right to left regrouping as necessary. 4.Write the decimal point in the difference.TRANSCRIPT
Subtracting Decimals
Honors Math – Grade 5
Saturn takes 29.45 Earth years to revolve around the Sun. Jupiter takes 11.862 Earth years to revolve around the Sun. How much longer does Saturn take than Jupiter?
Problem of the Day
What are the important facts?
What operation does this word problem suggest?
Subtraction! Let’s take a closer look…
To subtract decimals…
1. Line up the decimal points.
2. Add zeros as place holders if necessary.
3. Subtract normally from right to left regrouping as necessary.
4. Write the decimal point in the difference.
862.1145.29
975.165.29
96.158300
314.06.8
472.173.19
9.1447.23
518.323.27
3.15458.36
545.334.17
9875.642.19
574.91.38
7985.2516.40
895.1645