Multiple Choice
How do we divide fractions?
a. Divide across the top & bottom
b. Change to multiplication then multiply
c. Keep Change Flip
d. Find a common denominator
c. Keep change flip
What is the reciprocal of 5?
1/5
Before multiplying or diving with mixed numbers, you must first change them to _________ fractions.
improper
To multiply/divide with whole numbers, you must write the whole number as a fraction with a denominator of ______ ?
a. 10
b. 5
c. 1
d. 0
c. 1
What is a reciprocal?
a. The negative version of the fraction
b. When the numerator & denominator are flipped
c. When the numerator & denominator are the same
d. When the numerator is divided by the denominator
b. When the numerator & denominator are flipped
-4/3 ÷ -11/12
Will the answer be positive or negative?
positive
-1/4 x -1/2
1/8
What is the reciprocal of -3 3/4?
-4/15
When multiplying/dividing fractions with the SAME SIGN, the answer will be...
a. negative
b. positive
b. positive
-1/6 ÷ 5/8
-8/30
-4 x 1 4/5
-36/5 = -7 1/5
A pizza restaurant had 6/10 of a gallon of pizza sauce left at the end of the night and divided it equally among 3 pizzas. How much sauce did they put on each pizza?
(key word: divided equally- order matters ! )
1/5 of a gallon
When multiplying/dividing fractions with DIFFERENT SIGNS, the answer will be...
a. positive
b. negative
b. negative
-5/4 ÷ 9/11
What is -1 19/36
-1 1/2 x 1/9
-3/18 OR -1/6
There are 20 students in the class. 3/5 of the students are all virtual students. The rest are hybrid students. How many students are all virtual?
(key word: OF means to multiply)
12 virtual students