Random
1 ÷ 1/2
2
If you are multiplying a whole number by a fraction, you must add what to the whole number?
a 1 underneath/denominator it to make it a fraction.
1/2 ÷ 5
1/10
Maya has an 8 foot rope and needs to cut it into 1/2 foot sections. How many sections will she have?
16 sections
What is the word for the top number of a fraction?
1/3 ÷ 3
1/9
When dividing fractions, what do you do to the first fraction in the problem?
KEEP it the same.
3 ÷ 1/3
9
Wesley works at NASA on space satellites. He needs to power a satellite for its 5 years in space. Each battery he uses can power the satellite for 1/5 of a year.
How many batteries does the satellite need to make sure it has power for 5 years?
25 batteries
Denominator
What are the 3 steps that we follow when dividing fractions (without using models)
Keep, Change Flip
When dividing fractions, what do you do to the division sign?
Change it to multiplication.
1/3 ÷ 4
1/12
Troy has a farm where he raises animals. He has 1/2 of an acre that he wants to evenly divide into 10 pens.
How large will each pen be?
1/20 of an acre
What is the term for a fraction that has a numerator that is larger than the denominator?
Improper Fraction
What is the reciprocal (flip) of 1/5?
5
When dividing fractions, what must you do to the second fraction in the problem?
Find its reciprocal or flip it
2 ÷ 1/4
8
True or False? When dividing a whole number by a unit fraction, the quotient will always be a whole number.
True
In a story problem, what word may give you a clue that you will multiply two fractions together to find a sum?
Example: 3/4 ____ 4/8
Of
What is the reciprocal of 9?
1/9
When I'm multiplying a fraction by a fraction, I multiply __________.
across
(numerator x numerator)
(denominator x denominator)
1/4 ÷ 2
1/8
False - the quotient will always be a unit fraction
What is the term for a fraction that has a numerator of 1?
Unit Fraction