Vocabulary
What is SIR? and when do we use this strategy?
Same, Inverse, Reciprocal.
We use it when dividing Fractions
DAILY DOUBLE
9 x 0.57
5.13
1/2 divided by 7/3
3/14
Mr. Simpson feeds his dog 1/2 of a cup of dog food each day. How long will 4 cups of dog food last?
Division
A fudge company makes 4 pounds of fudge. A worker separates the fudge into packages of 1/4 of a pound of fudge each. How many packages does he make?
16 packages
What is an improper fraction?
A fraction where the numerator is larger than the denominator
50.56 divided by 4
12.64
1 2/3 multiplied by 2/7
10/21
The average mail carrier walks 5.2 Kilometers in a workday. How far do most mail carriers walk in a 5-day week?
Multiplication!!
The average mail carrier walks 5.2 Kilometers in a workday. How far do most mail carriers walk in a 5-day week?
26.0 kilometers
What does Reciprocal means?
It's when the numerator and denominator flips
7.1 X 5.8
41.18
8/9 x 3/4
2/3
DAILY DOUBLE!!
Valeria is making a bracelet at camp using 1.8cm beads. What is the length of her bracelet if she uses 18 beads?
Multiplication!!
Mr. Simpson feeds his dog 1/2 of a cup of dog food each day. How long will 4 cups of dog food last?
8 days
DAILY DOUBLE
What is a mixed number?
a number that contains a whole number and a fraction
68 divided by 5.44
12.5
DAILY DOUBLE
5 divided by 2/3
7 1/2
A fudge company makes 4 pounds of fudge. A worker separates the fudge into packages of 1/4 of a pound of fudge each. How many packages does he make?
Division!
Jenny and her two friends have 1 4/5 pies left after a bake sale at school. They divide the pie evenly among themselves. How much pie did each students receive?
a. 4/15 b. 3/5 c. 2/3 d. 9/10
b. 3/5
How do you convert an improper fraction to a mixed number?
Use "Top in Bottom Out" or Divide numerator by the denominator Then, Build your mixed number.
2.2 x 1.5
3.30
4 1/2 divided by 1/4
18
Ms. Thomas buys 3 1/2 packs of hamburger meat for a barbeque. Each pack contains 2/3 of a pound of meat. How much total meat did she buy?
Multiply!
DAILY DOUBLE!!!
Mrs. Magee's farm covers 14 1/3 acres. She grows corn on 5/8 of her farm. On how many acres of land does Mrs. Magee grow corn?
a. 8 13/24 b. 8 18/24 c. 8 23/24 d. 9 4/24
c. 8 23/24