Common Denominators and
Equivalent Fractions
Equivalent Fractions
Problem Solving
Estimation
Visuals
Story Problems
200
*** Double Points***
Select all the expressions that can be used to find the sum of 3/4 and 1/3.
a. 8/12 + 4/12
b. 9/12 + 4/12
c. 18/24 + 8/24
d. 27/36 + 12/36
e. 27/36 + 15/36
b. 9/12 + 4/12
c. 18/24 + 8/24
d. 27/36 + 12/36
300
What is the BEST estimate of 12 5/8 - 3 1/5?
a. 8 1/2
b. 8
c. 9 1/2
d. 9
c. 9 1/2
300
*** Double Points ***
5/8 - 2/8 ____
3/5 - 2/5 ____
5/8 - 2/8 __B__
3/5 - 2/5 __A__
300
*** DAILY DOUBLE****
Every team needs to make a wager.
Mr. Allen made a pepperoni pizza and a taco pizza. He cut the pepperoni pizza into 6 pieces. He cut the taco pizza into 4 pieces. There were 3 pieces eaten from each pizza. Write equivalent fractions to represent how much pizza was eaten from each pizza.
______ pieces were eaten from the pepperoni pizza
______ pieces were eaten from the taco pizza
How much more taco pizza was eaten than pepperoni pizza?
__6/12_ pieces were eaten from the pepperoni pizza
__9/12_ pieces were eaten from the taco pizza
3/12 or 1/4 more taco pizza was eaten than pepperoni pizza.
400
*** Triple Points ***
Tyler went to the zoo on Sunday. He spent 9/10 hour in the rainforest habitat, 1 2/3 hours in the aquarium, and 3 2/11 hours watching an IMAX movie.
Write an equation to estimate about how many hours he spent at the zoo.
1 + 1 1/2 + 3 = 5 1/2
400
*** Double Points ***
Estimate the sum.
2/9 + 5 4/10 + 28 4/5
0 + 5 1/2 + 29 = 34 1/2
400
1/2 4/8
- 1/8 1/8
---------------
3/8
400
*** Double Points ***
In the 33 gallon container, there are red, blue, and green socks. 2/7 of the socks are red. 1/3 of the socks are green. What fraction of the socks is blue?
8/21 is blue.
500
Serena is making a quilt for her baby brother. She finished 1/3 of the quilt the first week, 2/5 the second week, and 1/6 the third week.
Write a numerical expression using equivalent fractions to model how much of the quilt she has finished so far.
What fraction of the quilt has she finished ?
1/3 10/30
2/5 12/30
+ 1/6 5/30
----------------
27/30
500
*** Triple Points***
Imelda is painting a whole canvas. She paints 1/5 of it purple, 3/10 of it blue, and 5/10 of it pink.
Draw a visual model to show what Imelda's painting looks like. Make sure to label your fractions.
What fraction of her canvas is purple and pink?
purple: 1/5= 2/10
blue: 3/10
pink: 5/10
purple and blue: 7/10
500
*** Triple Points***
Mrs. Martinez made a pepperoni pizza and a taco pizza. She cut the pepperoni pizza into 9 pieces. She cut the taco pizza into 18 pieces. There were 4 pieces eaten from each pizza. Write equivalent fractions to represent how much pizza was eaten from each pizza.
______ pieces were eaten from the pepperoni pizza
______ pieces were eaten from the taco pizza
How much more pepperoni pizza was eaten than taco pizza?
__4/9__ pieces were eaten from the pepperoni pizza
__4/18_ pieces were eaten from the taco pizza
4/18 more pepperoni pizza was eaten than taco pizza.