04/10/2023 Bitsy Griffin Lessons 2-24 & 25

1

Adding & Subtracting Decimals

12/14/09EQ: How do I add or subtract decimals?

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

2

Review:

•How do you simplify a fraction?

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

3

Review:

•How do you change a an improper fraction to a mixed number?

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

4

Review:

•How do you rename a fraction to make it useable for subtraction?

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

5

Suggestions:

•Make sure decimals are lined up on top of each other.

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

6

Suggestions:

•8.23 + 4.65• 8.23• + 4.65

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

7

Suggestions:

• If the number of decimals don’t match up, fill in 0s at the end until they do

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

8

Suggestions:

•3.6 -1.042• 3.600• - 1.042

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

9

Practice:

•Page 42 #1-6•Page 44 #1-6

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

10

Practice - answers:1. 5.032. 16.313. 9.944. 9.375. 8.566. 8

1. 11.612. 1.113. 14.824. $1.965. 54.0356. $27.80

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

11

Problems:

•Page 42 #9-26•Page 44 #12-23•Page 43 #27-33•Page 45 #24-27

04/10/2023 Bitsy Griffin Lessons 2-24 & 25

12

EQ:

•How do I add or subtract decimals?