## Tuesday, November 20, 2012

### Jira's Fraction Scribepost

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.

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

#### 1 comment:

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