Fraction Rules
Multiplying Fractions
Multiplying Mixed Numbers
Dividing Fractions
Dividing Mixed Numbers
Animal Trivia
100
When dividing which value always comes first?
(Total, Number, Size)
Total
100
2/3 * 4/5
8/15
100
1 1/2 * 5
15/2 or 7 1/2
100
What is the reciprocal of
11/8
8/11
100
What is the reciprocal of
2 1/12
12/25
100
What is the only mammal that can't jump?
Elephant.
200
How do we change a whole number into a fraction?
Put a 1 in the denominator, or put it over 1.
200
3/5 * 7/8
21/40
200
5/6 * 1 1/3
10/9 or 1 1/9
200
3/8 -: 2/3
9/16
200
2 1/8 -: 3
17/24
200
What animal has the largest eggs?
Ostrich
300
3 word phrase to help us with dividing fractions.
Keep - Change - Flip
300
4 * 7/8
7/2 or 3 1/2
300
3 1/3 * 1/4
5/6
300
6 -: 5/8
48/5 or 9 3/5
300
1 1/8 -: 1/10
45/4 or 11 1/4
300
What bird can fly backwards?
Hummingbird
400
When dividing fractions, you are changing ________ into ___________.
division into multiplication
400
5/12 * 9
15/4 or 3 3/4
400
1 1/3 * 2 1/8
17/6 or 2 5/6
400
1/2 -: 5/8
4/5
400
3 1/4 -: 1 1/2
13/6 or 2 1/6
400
How many toes does a cat have?
18
500
What should you do first to mixed numbers when multiplying or dividing fractions?
Convert them to improper fractions.
Change them to improper fractions.
Make them improper fractionns.
500
2/9 * 3/8
1/12
500
2 2/3 * 5 1/4
14
500
3/8 -: 7/12
9/14
500
3 1/2 -: 5 2/3
21/34
500
A group of Hippos are called a ____________ .
Bloat