Word Problems
Kyle has 8 planks of wood. He cuts each piece of wood into 1/3 pieces. How many pieces of wood does Kyle have now?
8 ÷ ⅓ = 24
What do you call the top number in a fraction and the bottom number?
top-Numerator
Bottom- Denominator
1/2 ÷ 4
1/8
1/2 ÷ 1/3
3/2=1 1/2
1 2/3 ÷ 1/5
8 1/3
Allison has ½ of a pizza. She wants to share it equally between 3 people. How much of the pizza does each person get?
½ ÷ 3 = ⅙
What is it called when you flip a fraction?
Reciprocal
3 ÷ 1/3
9
3/4 ÷ 2/5
15/8=1 7/8
3 4/5÷ 1/3
57/5=11 2/5
Andy has 4 book he wants to read this summer. He reads ⅕ of a book each day. How many days will it take for Andy to finish all 4 books?
4 ÷ ⅕ = 20 days
What is the acronym we use to remember how to divide fractions and what does it mean?
KCF- Keep, Change, Flip
1/3 ÷ 4
1/12
4/7 ÷ 2/3
12/14=6/7
1/6 ÷ 3 2/3
1/22
Nora has 1/6 of a tray of brownies. She wants to share it equally between 5 people. How much of the tray of brownies does each person get?
⅙ ÷ 5 = 1/30
How do you multiply fractions?
Multiply straight across and then simplify
2 ÷ 1/4
8
5/9 ÷ 1/2
10/9=1 1/9
4 3/6 ÷ 5/20
18
Luke has ⅗ yard of string. He is making key chains for his friend. Each keychain uses 1/12 yard of string. How many complete key chains can he make?
⅗ ÷ 1/12=7 1/5 so
7 completed key chains
What do you change mixed numbers to?
Improper fractions
1/4 ÷ 2
1/8
3/4 divided by 3/4
1
5 1/4 ÷ 1/4
21