Jira’s Fraction Scribepost

(sorry my computer is having some technical issues so I can’t paste or add pictures)

Reciprocal

- are two numbers which multiply together and make 1. they are also called “multiplicative inverse” of each other.

1/2 ÷ 3 = 1/6

1/2 x 1/3 = 1/6

3/1 x 1/3 = 3/3 or 1

6..a)

2/3 ÷ 3 = 2/9

0 1/9 2/9 3 /9 4/9 5/9 6/9 8/9 1

6..b)

3/5 ÷ 2 = 3/10

0 1/10 2/10 3/10 4/10 5/10 6/10 7/10

7..a)

2/3 ÷ 3 = 2/9

1 1/9 2/9 3/9 4/9 5/9 6/9 7/9 8/9 1 10/9 11/9 12/9 13/9 14/9 15/9 16/9

b)

9..a)

9/12 ÷ 3 = 9/46 or 3/12 or 1/4

9/12 x 1/3 = 9/46

3/1 x 1/3 = 3/3 or 1

9..b)

====== 9/46 or 3/12 or 1/4 ..

Lastly ..

Here’s the "Link" for how to divide fractions.

http://www.youtube.com/watch?v=zQMU-lsMb

__My Test Correction__

My first mistake was on # 7..(b) and here's how to do it right!

7..(b)

Model 2/3 divide by 3:

e

Good job, Jira! I liked how you explained the work to use with number lines and pictures! Great link.

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