Fractions by Whole #s
Word Problems
Scaling Fractions in Multiplication
Dividing
100
What multiplication problem is modeled below?
1/4 x 5
100
1/3 of the 24-fifth grade students ride the school bus home. How many students ride the school bus?
1/3 x 24 = 24/3 = 8 students
100
Using the comparing symbols of >, <, or =.
Compare the below expression without multiplying.
½ x 7 __ ½
½ x 7 >½, because 7 > 1
100
1/6 divided by 5
1/30
200
4/6 x 3
2
200
There are 45 students in Extended Day. 1/3 of them go home before 5p.m. How many students go home before 5p.m.?
15 students
200
Using the comparing symbols of >, <, or =.
Compare the below expression without multiplying.
¾ x ⅞ ___ ¾
¾ x ⅞ < ¾, because ⅞ < 1.
200
7 divided 3/4
28/3 = 9 1/3
300
2/5 x 3
= 6/5 or 1 1/5
300
There are 150 students in 5th Grade. 9/10 of them went on the Cape Canaveral Field Trip. How many students went on the trip?
135 students
300
Out of the expressions below, select TWO expressions that give you a product less than 5/6
a.) 5/6 x 2/3
b.) 5/6 x 5/6
300
5/9 divided by 1/3
15/9 = 1 2/3
400
True or false, the problem below equals 4 1/2?
True... 45/10 = 4 5/10 = 4 1/2
400
2/3 of the DP Marching Band are brass instruments. Out of that, 1/4 are trumpet players. What fraction of the band are trumpet players?
2/3 x 1/4 = 2/12 = 1/6
400
Which statement is true?
a.) ½ x 2 is less than ½
b.) ¾ x ¾ is greater than ¾
c.) 1½ x 3 is less than 3
d.) 3/2 x ½ is greater than ½
d.) 3/2 x ½ is greater than ½
400
Mrs. Conner has 10 packages of skittles. She wants to give 1/2 of a package to each student. If Mrs. Conner has 24 students, will everyone get 1/2 a package? How do you know?
No. Because she can only give Skittles to 20 students. 10 divided by 1/2 equals 20.
500
The models below show a multiplication problem. What is that expression?
1/3 x 4
500
2/5 of the Fifth Grade class will be traveling outside of Florida during Spring Break. Out of that group, 1/2 will be going to Georgia. How many students will be traveling to Georgia if there are 55 students in 5th Grade?
11 students
2/5 x 1/2 = 2/10 = 1/5
55 x 1/5 = 11
500
Which number can be placed in the blank to make the number sentence true?
4/3 x ___ < 4/3
a.) 6/6 because multiplying a fraction that is equal to 1 will make it equal to the other factor
b.) 3/2 because multiplying a fraction that is more than 1 will make it more than the other factor
c.) 1/2 because multiplying a fractions that is less than 1 will make it less than the other factor
d.) 1 1/2 because multiplying a fraction that is more than 1 will make it more than the other factor
c.) 1/2 because multiplying a fractions that is less than 1 will make it less than the other factor
500
In a box, Principal Phillips has 6 bottles of Coca Cola and 16 cans of Sprite. If each bottle of Cola weighs 1/2 of a pound and each can weighs 1/8 of a pound, how much does the box weigh with all of the soda in it?
5 pounds