Today we will add with decimals.

Today we will subtract with decimals.

subtract =take awayDecimals=numbers less than zeroLO1

If you have $1.00 and you buy an ice cream for $0.50 you would have $0.50 left. You do this in your head all the time when you buy items at the store!

APK2SubtractSubtract means take away from something.Example: 4-2= 4

or

-=

CD3DecimalA decimal is a number less than 1.

For example $0.7010.50989$25.50

ImportanceWhy you purchase something in the store, you always need to know if you received the correct change!It will help you on any tests that subtracting decimals is on!What would be other reasons to know how to add numbers with decimals?IMP5Lets try one! 3.58+ 7.41= 8.58 - 7.41To find the difference, rewrite numbers so that the decimal point lines up vertically. Subtract straight down!711Bring decimal straight down!.Lets try one! 39.67+ 21.46= 39.67- 21.46To find the difference, rewrite numbers so that the decimal point lines up vertically. Subtract straight down!1821Bring decimal straight down!.Lets try one! 0.681+ 8.513= 9.681-8. 513To find the difference, rewrite numbers so that the decimal point lines up vertically. Subtract straight down!86111Bring decimal straight down!.7To find the difference, rewrite numbers so that the decimal point lines up vertically. Subtract straight downBring decimal straight down

30.333 -23.460

6.873To find the difference, rewrite numbers so that the decimal point lines up vertically. Subtract straight downBring decimal straight down

22.181 -19.0949

3.0861To find the difference, rewrite numbers so that the decimal point lines up vertically. Subtract straight downBring decimal straight down

89 -64.8

24.2Lets review!What does subtract mean?Take away!

What is a decimal? A number less than 1.

Closure12