Multiply or Divide
Add or Subtract
Vocabulary
Common Denominators
If... Then...
100
What is 1/4 of 12?
3
100
6 1/3 + 1 2/5 =
7 11/15
100
(a)What is the name for the top part of my fraction? (b) What is the name for the bottom part of my fraction
(a) numerator, (b) denominator
100
Find the common denominator and create equivalent fractions for: 3/5 and 1/4
12/20 and 5/20
100
If I need 1/8 of pizza per child at a party, then how many people can be fed with a large pizza?
8 people
200
Josh has 1/2 of a gallon of milk. He wants to pour it into 8 smaller containers, with the same amount in each containers. How much should he pour in each container?
1/2 divided by 8 = 1/2 x 1/8 = 1/16 of a gallon in each
200
6 1/3 - 1 2/5 =
4 14/15
200
What do we call different fractions that have the same value?
equivalent fraction
200
Find the common denominator and create equivalent fractions for: 5/8 and 1/3
15/24 and 8/24
200
If a recipe calls for 1/3 of a cup of oil, then how many times could I make that recipe if I have one cup of oil in all??
3 times
300
What is 1/5 of 35?
7
300
1 2/3 + 1/6 = ?
1 5/6
300
What do we call it when two or more fractions have the same denominator?
common denominator
300
Find the common denominator and create equivalent fractions for: 1/6 and 2/9
9/54 and 12/54
300
If Ella eats 1/2 of an apple for a snack each day, then how many days can she have apples for snack if we have 3 apples at home?
6 days
400
Mr. Mauriello has 6 large bones at home for his dog, Mosby. If he breaks each bone into fourths, how many pieces will he have altogether? Write a division number model for this problem. Then draw and label a picture to show how many pieces Mr. Mauriello will have for Mosby. Finally, check your work by using the inverse operation :)
6 divided by 1/4 = 6 x 4/1 = 24/1 = 24 pieces of dog bone check: 24 * 1/4 = 6 :)
400
1 2/3 - 1/6 = ?
1 1/2
400
What is the name for the strategy we use to create common denominators by using the denominators as factors that create a product?
QCD: Quick Common Denominator
400
Find the common denominator and create equivalent fractions for: 1/2 and 1/11
11/22 and 2/22
400
Finish this sentence: If I add or subtract fractions, then I must ***FIRST*** make sure that they have a _______________ _______________.
common denominator
500
What is 1/5 of 20? then What is 3/5 of 20?
4 and 12
500
7 1/9 + 4 1/6 = ? then 7 1/9 - 4 1/6 = ?
11 15/54 = 11 5/18 2 51/54
500
What is the word we use for calculating "about" the same amount, but we do not use exact numbers?
estimate
500
Find the common denominator and create equivalent fractions for: 4/9 and 3/8
32/72 and 27/72
500
Finish this sentence: If I am multiplying fractions, then I _______________ my numerators together to get my new numerator, and I _______________ my denominators together to get my new denominator.
multiply; multiply
M
e
n
u