Fractions by Whole Numbers
What is 3/5 of 15? Simplify your answer.
45/5 = 9
3/4 x 5/6 = _____
15/24 or 5/8
What is 3 and 4/5 x 1 and 1/2? You may leave your answer as an improper fraction or write a mixed number.
57/10 or 5 and 7/10
True or False
1 and 1/2 x 3 > 3
True
2/3 x 4/7 =
16/21
9/10 x 30 =
Simplify your answer
270/10 = 27
What is 1/4 of 5/6?
5/24
What is 1 and 1/4 x 2 and 1/4? You may leave your answer as an improper fraction or make it a mixed number.
45/16 or 2 and 3/16
If you multiply 1/8 and 1/6, you get a product of 1/48. Are both factors (1/8 and 1/6) greater than the product?
Yes.
What is 4/5 of 20? Simplify your answer.
80/5 =16
What is 3/4 of 48?
Simplify your answer.
144/4 = 36
At Ruth Rains Middle School, 9/10 of the students are involved in an after school activity. Of these students, 1/3 of them are in the Beta Club. What fraction of the students are in the Beta Club?
9/30 or 3/10
You run a race in 2 and 1/4 hours. Your friend runs the race in 1 and 5/6 of your time. How much time did your friend take to run the race?
99/24 hours or 4 and 3/24 hours
True or False:
5/5 x 2 and 4/7 < 2 and 4/7
What is the product of 1 and 1/4 x 3/5?
15/20 or 3/4
A recipe for punch calls for 3/4 cup of Sprite per batch of punch. You make 8 batches of punch. How many cups of Sprite do you use? Simplify your answer.
24/4 = 6
What is 17/100 x 5/8?
85/800
What are the three letters that you need to remember to multiply mixed numbers by mixed numbers? If you can, write what those letters stand for.
M.A.D.
Multiply the denominator by the whole number
Add the numerator
Denominator stays the same
Without calculating, order the products from least to greatest:
1/3 x 6/6 , 1/3 x 4/5 , 1/3 x 8 and 2/9
1/3 x 4/5, 1/3 x 4/5, 1/3 x 8 and 2/9
You practice playing the keyboard for 3 and 1/2 hours. Your friend practices playing the keyboard for 5/4 as many hours as you. Do your friend practice for fewer hours, more hours, or the same number of hours as you? Determine this without calculating.
More hours, because 5/4 is greater than one, which will make the product more than 3 and 1/2.
You run 2/3 of an hour for 10 straight days. How many hours did you run? Make your answer a mixed number.
20/3 = 6 and 2/3
Patricia says the product of 3/9 x 4/11 = 12/20. Donna says the product is 12/99. Who is correct and why?
Donna, because she multiplied the numerator and denominators straight across.
Patricia added her denominators instead of multiplying.
What is 3 and 2/4 x 1 and 2/5?
98/20 or 4 and 18/20
Without calculating, order the products from least to greatest.
2 and 1/2 x 3/5, 4 x 3/5, 1/12 x 3/5
1/12 x 3/5, 2 and 1/2 , 4 x 3/5
You achieve 1 and 7/8 characters on Blooket. Your friend achieves 3 and 2/3 times as many characters on Blooket as you. Does your friend achieve fewer characters, more characters, or the same number or characters as you? Determine this without calculating.
More characters, because 3 and 2/3 is more than 1 and 7/8 and the product would be greater than 1 and 7/8 if you multiplied.