Multiplying Fractions
1/2 x 8
4
3 divided by 1/2
6
What is the reciprocal of 5?
1/5
Ther perimeter of a square is 2/5m. What is the length of one side of the square?
3/4 x 5
3 3/4
6 divided by 2/3
9
What is the reciprocal of 1/10
10
Lea bought 4/5 L of orange juice. She drank 3/4 of it. How much orange juice did she drink?
She drank 3/5 L
1/2 x 5/6
5/12
5/4 divided by 1/2
2 1/2
What does "of" mean?
Multiply
Anthony received $168 from his father. He saved 5/6 of that money in the bank and spent the rest. How much did he save?
He saved $140
7/4 x 3/5
1 1/20
2 1/6 divided by 2/3
3 1/4
When you divide a whole number by a fraction, will the answer be smaller or larger than the first whole number? Why? (must say why for complete credit!)
Larger, because you are finding out how many smaller pieces will fit into a larger one, which would be more!
Mr. Magoo spent 1/2 of his money on a stereo and 1/3 of this money on a tv. He then has $400 left. How much did he pay for the tv?
He paid $200 for the tv.
2 1/3 x 4/5
1 13/15
10/2 divided by 3 3/4
1 1/3
Why is 6 divided by 1/2 = 12 but 6 x 2 also = 12?
Beause if you are cutting each whole in half, you get two piece. That makes two pieces per whole, and there are 6 wholes so 6x2 pieces each = 12
Denise bought a box of 560 pieces of candy. 4/5 of the pieces were fruity and 1/4 of the remaining pieces were mint. How many pieces of candy of other flavors (not fruity or mint) were there in the box?
There were 84 candies of other flavors.