1. Write each mixed number as an improper fraction
2. Write each improper fraction as a mixed number
𝟔𝟑𝟖
𝟏𝟕𝟓
325
778
299
4310
𝟑𝟐𝟗
𝟒𝟑𝟏𝟎
September 8, 2015
Warm-Up:
a. b.
a. b.
Homework
Worksheet 1.3C odds&
Worksheet 1.4C odds
Objective
Write down the objective in your math journal in your own words.
SWBAT perform simple calculations with fractions
Practice Problem 1
Find the value of
812−312
=¿ 512
Adding and Subtracting Fractions
1. If denominators are not equal, rewrite the fractions as equivalent fractions with common denominators using the least common denominator.
2. Add or subtract the numerators.
3. Write the sum or difference over the common denominator.
4. Write the fraction in simplest form.
Practice Problem 2
Find the value of
56∙25=¿1030
13
Practice Problem 2 cont.
Find the value of
56∙25=¿13
𝟏𝟏𝟏
𝟑
Multiplying Fractions
For any numbers a, b, c and d:
db
ca
d
c
b
a
Practice Problem 3
Find the value of
56÷18=¿
406
56∙81=¿
623
or203
Practice Problem 3 cont.
Find the value of
56÷18=¿
203
56∙81=¿ 6
23
or𝟒
𝟑
Dividing Fractions
For any numbers a, b, c and d :
cb
da
d
c
b
a
Precision Police
Is my work organized?
Does my work support my answer?
Did I label my answer (if applicable)?
Did I circle/ box my answer?
Activity:Relay Practice
Each pair needs: A whiteboard A marker A towel A textbook Decide who is person A and B
*(paper and pencil is optional for notes)*
Activity:Relay Practice
For the relay:
First, person A writes and person B reads. You must work on the problem as a team.
Person B brings it up to me when you think you are correct.
Then, switch roles and do the next problem I assign you
Activity:Relay Practice
Problem 1: Page 14 number 23
Problem 2: Page 14 number 20
Problem 3: Page 18 Problem 11
Problem 4: Page 18 Problem 17
Problem 5: Page 18 Problem 32
Problem 6: Page 18 Problem 27
BONUS: Page 23 Problem 23
𝟏𝟓𝟏𝟐
𝒄𝒖𝒑𝒔
𝟏𝟏𝟐𝟎
𝒉𝒐𝒖𝒓𝒔𝟏𝟓
𝟐𝟎𝒎𝒊𝒏𝒖𝒕𝒆𝒔
𝟔 𝒔𝒄𝒐𝒐𝒑𝒔
𝟏𝟏𝟕
𝟏𝟐𝟏𝟒𝒇𝒆𝒆𝒕𝟐