Rules and Strategies
When dividing a fraction by a whole number, the quotient will always be a ___________
Fraction
For ALL Teams: Are you going to do well on this test? (Spoiler: The answer should be YES!!)
YES (The team that chose this will have the chance to explain WHY they will do well for an extra +100 on Jeopardy)
What operation should be used to find how many 1/10s are in 40? What is the answer?
Division
400
Christian made 7 gallons of peach lemonade to store in pitchers.
If he puts 1/4 gallons of lemonade into each pitcher, how many pitchers will he need?
28 pitchers
When dividing a whole number by a fraction, the quotient will always be a ______________
Whole number
Ajay says that 1/6 divided by 7 is 42. Is this correct? If not, what mistake did he make?
Incorrect, the answer should be 1/42. Ajay may have forgotten that dividing a fraction by a whole number would give a fraction.
9 divided by 1/8
72
Savannah is painting a 32-square-inch canvas.
The canvas is divided into squares that each measure 1/3 square foot.
How many squares is the canvas divided into?
96 squares
What are two methods for solving division problems involving fractions?
Models and KEEP-CHANGE-FLIP (KFC)
Isaiah got an answer of 30 when asked how many 1/10s fit in 3 (3 divided by 1/10). How can you check his answer?
Multiply 30 by 1/10.
6 divided by 1/4
24
Serenity, Mateo, Freddy, and Lianah shared one third of a pizza equally. What fraction of the pizza did each person get?
1/12
Dividing 5 by 1/10 would be the same as multiplying __________________________
The whole number 5 by the denominator 10
Will your answer to 5 divided by 1/3 be less than 5 or greater than 5? How do you know without dividing?
5 divided by 1 = 5. Since 1/3 is less than 1, the answer will be greater than 5.
The fraction 9/4 is the same as what division expression? What is the answer to that expression?
9 divided by 4
2 1/4
Javon has enough jelly to cover a 1/5-square-foot piece of toast.
He wants to use the jelly to cover 2 equal-sized pieces. How big (in feet) are the 2 pieces of toast?
1/10 square foot
Read the following problem: Fabiola is growing 1/2 inch each year. How many years will it take for her to grow 6 inches?
Which number is the dividend (or, what number should you be dividing)?
6
Explain (in specific detail) a way to divide 1/4 by 8. Include a step by step guide.
Answers vary
1/8 divided by 7
1/56
Kae'loni has to deliver a message to a friend who lives 15 miles away.
She can deliver the message to Patrick who then delivers it to Brandon.
Brandon delivers it to Leslie who then finishes the delivery.
Each of the four friends walks the message the same distance.
Use an equation to find how far each friend travels with the message.
15 divided by 4 = 3 3/4