Rewriting Fractions/Mixed Numbers
Adding/Subtracting Fractions/Mixed Numbers/Whole Numbers
Multiplying Fractions/Mixed Numbers/Whole Numbers
Dividing Fractions/Mixed Numbers/Whole Numbers
Final Jeopardy
100
Rewrite as a mixed number
12/5
2 2/5
100
Add the following: 3 4/9+5 2/9
8 2/3
100
3times 3/7
9/7=1 2/7
100
4/5divide6/7
Keep Change Flip
4/5times7/6
28/30 = 14/15
200
Rewrite as a mixed number.
8/2
4/1=4
200
1 17/20-19/20
37/20-19/20=18/20=9/10
200
6/7times7/10
42/70=6/10=3/5
200
Divide 12divide2/13
12 is really 12 over 1. Then do Keep Change Flip
and solve.
12/1times13/2=156/2=78/1=78
300
Write as an improper fraction.
7 2/3
Multiply 3 and 7, you get 21, add that to the numerator and you get 23/3
300
1-7/9
You can make 1 anything over itself
examples:
1=1/1=5/5=102/102=9/9
9/9-7/9=2/9
300
5 6/7times 2
41/7times2/1=82/7=11 5/7
300
8 2/3divide5/4
26/3 divide5/4=26/3times4/5=104/15
104/15=6 14/15
400
Write as a mixed number in simplest form.
50/8
Divide and you get 6 remainder 2 which is
6 2/8
6 1/4
400
9/8+4/6 Find two ways to solve.
Using LCM the common denominators will be 24.
9/8+4/6=27/24+16/24=43/24=1 19/24
Using the method of multiplying the denominators, the common denominators will be 48.
9/8+4/6=54/48+32/48=86/48=43/24=1 19/24
400
Avi wants to buy a carpet that will cover his entire bedroom floor. The length of his room is 3 1/4 meters and the width is 4 meters. What is the area of the carpet he will need to buy?
Area = length x width
__________ square meters
Multiply the two and you get 13 square meters
13/4times 4/1=52/4=13
400
Divide the amount of paint by the amount of paint needed per bookshelf.
5 1/4divide3/4=7
First turn the mixed number into an improper fraction then do Keep Change Flip.
500
Write as an improper fraction in simplest form
9 4/20
184/20=46/5
500
13 2/7-6 5/10
93/7-65/10
930/70-455/70=475/70
475/70=95/14=6 11/14
500
A pastry box has a length that is equal to 3 2/3 inches, a width that is equal to 3 1/2 inches, and a height that is equal to 2 1/3 inches. In order to find the volume, you need to multiply all three of these values. What is the volume of this pastry box, in cubic inches?
3 2/3 times 3 1/2 times 2 1/3
11/3 times 7/2 times 7/3
539/18
29 17/18
500
Daniel has 4/5 gallon of ice cream. He wants to store all the ice cream equally among 5 containers. How much ice cream will be in each container?
We are splitting
4/5
containers of ice cream into 5 containers. In other words, we are dividing
4/5 divide 5
We use Keep Change Flip to change this into a multiplication question. Then find the answer. Simplify if you need to.
4/5 times 1/5 = 4/25 gallon
500
Another division problem, but when you make the mixed number into an improper fraction and do Keep Change Flip you get
19/2divide3/5=19/2times5/3=95/6=15.833...
You DO NOT have enough to give to a 16th guest, so you can give 15 guests the same amount at most.
CHOICE C