Fractions x Fractions
Fractions x Whole Number
Model it.
Read it.
Read it... twice
Fractions x Mixed Numbers
100
What is 2/4 x 1/2?
2/8 = 1/4
100
What is 13 x 1/2?
13/2 = 6 1/2
100
Write the expression to match the model
2/5 x 3/4
3/4 x 2/5
100
What is the perimeter of a square that has a side length of 3/4 yard?
4 x 3/4 = 12/4
12/4 yards or 3 yds
100
John has 1 1/2 hours of homework each day from Monday through Thursday and 2 ½ hours over the weekend. How much homework does John have in a week?
1 1/2 x 4 + 2 1/2 =
3/2 x 4 + 2 1/2 =
12/2 + 2 1/2 =
6 + 2 1/2 =
8 1/2 hours of HW in a week.
100
3 4/5 x 5
19/5 x 5/1 = 95/5 = 19
200
What is 3/4 x 3/4?
9/16
200
What is 8 x 1/4?
8/4 = 2
200
Write the expression to match the model
2/3 x 4/7
4/7 x 2/3
200
Victoria's hair was originally 24 inches long. She asked her hair dresser to cut 1/3 of it off. How many inches are left?
1/3 x 24 = 24/3 = 8
She cut 8 inches off.
24 - 8 = 16
She has 16 inches let.
200
Darin has $12. After spending 3/4 of his money for a movie and popcorn, how much of his money did he have left?
3/4 X 12 =
36/4 = 9
He spent 9 dollars.
12 - 9 = 3
He has $3 left.
200
2 3/4 x 8
11/4 x 8/1 = 88/4 = 22
300
What is 3/4 x 1/3?
3/12 = 1/4
300
What is 1/6 x 3?
3/6 = 1/2
300
What is 1/2 of 2/3?
Model this on a Number Line.
1/2 x 2/3 = 1/3
Let's see you number line.
300
After a party there was 1/2 of a pizza leftover. If the Trenton gave 1/2 of the leftover to Olivia, what fraction of the original pizza did he give to her?
Draw a model to show your answer
1/2 x 1/2 = 1/4
1/4 of the pizza.
300
Jose is making muffins. The recipe calls for 1 3/4 cups of flour. If he triples the recipe, what is the total amount of flour he will need?
1 3/4 x 3 =
7/4 x 3/1 =
21/4 = 5 1/4 cups of flour
300
3 1/4 x 2/7
13/4 x 2/7 = 26/28 = 13/14
400
What is 3/4 x 7/9?
21/36 = 7/12
400
What is 4/5 x 10?
40/5 = 8
400
Write an expression to match the model
3/5 x 3/10
3/10 x 3/5
400
Our mass on the moon is 1/6 of what it is on Earth because it has less gravitational pull. If Anthony weighs 90 lbs on Earth, what is Anthony's mass on the moon?
1/6 x 90 = 90/6 = 15 lbs.
400
Juno calculated the area of a square to be 4/9 square feet. What is the length of one side of the square?
2/3 ft.
because 2/3 x 2/3 = 4/9
400
Select all the expressions that equal 1 1/3 x 4
a.) (1 x 4) + (1/3 x 4)
b.) 4/3 x 4/1
c.) 4 x 4
d.) 2 x 4
a.) (1 x 4) + (1/3 x 4)
b.) 4/3 x 4/1
500
5/4 x 2/3
10/12 = 5/6
500
What is 3/8 x 20?
60/8 or 7 4/8 = 7 1/2
500
Draw a model to represent 2/3 x 2/3
4/9
Let's see.
500
Shawn spends 3/4 of an hour working Imagine Math daily. How many minutes a week does he spend on IM?
1 hour is 60 minutes
3/4 x 60 = 180/4 = 45 minutes each day
45 x 7 = 315 minutes each week
500
To amend the U.S. Constitution, at least ¾ of the 50 states must approve the amendment. If 35 states approve an amendment, will the Constitution be amended?
3/4 x 50 = 150/4 = 37 2/4
37 2/4 which has to be rounded to 38.
So no because at least 38 states have to approve it for the Constitution to be amended.
500
1 1/8 x 3 1/3
9/8 x 10/3 = 90/24 = 3 18/24 = 3 3/4