Vocabulary
What is the mathematical operation that is the opposite of multiplication?
What is division?
Solve:
568 ÷ 4 =
What is 142?
Solve:
204 ÷ 12
What is 17?
A P.E. teacher has 22 students in her class. She needs to separate these students into different activity stations. If she can fit 6 students into each activity station, how many different activity stations does she need to have?
What are 4 groups.
Possible explanation: The answer is 3 groups with a remainder of 4. Since you can't have 4 students left out of a group, the teachers will need to create an extra activity station.
Where does Mr. Koekkoek live now?
Where is Wilsonville? (will also accept Portland)
Which number is the DIVISOR in the following equation?
72 ÷ 8 = 9
What is 8?
Solve:
4,500 ÷ 6
What is 750?
Solve:
156 ÷ 13
What is 12?
Quincy needs 322 yards of ribbon to decorate quilts at a craft fair. The ribbon comes in rolls of 15 yards each.
How many yards of ribbon should Quincy buy?
What is 22 rolls.
Explanation: The answer is 21 with a remainder of 7, but to ensure that Quincy has enough, she will need to buy an extra roll.
What is Mr. Koekkoek's dogs name?
Who is George!
Which number is the QUOTIENT in the following equation?
72 ÷ 8 = 9
What is 9?
Solve:
1,212 ÷ 7
What is 173 r. 6?
Solve:
5,210 ÷ 17
What is 306 r. 8?
Russ and Vicki are trying to solve this problem:
There are 146 students taking buses to a museum. If each bus holds 24 students, how many buses will they need to take?
Russ says they will need 6 buses and Vicki says they will need 7. Who is correct? Solve and explain your reasoning.
What is 7 buses, so Vicki is correct.
Possible explanation: The answer is 6 with a remainder of 2. You can't leave 2 students behind, so you will need to take 7 buses.
What country did Mr. Koekkoek in that wasn't the US?
What is Costa Rica?
Which number is the DIVIDEND in the following equation?
72 ÷ 8 = 9
What is 72?
Tammy says the whole number quotient of 793 ÷ 6 is 132 r.1. Use multiplication to show that Tammy is correct.
What is:
132 x 6 = 792
792 + 1 = 793
Jeffery wants to save the same amount of money each week to buy a new bike. He needs $252. If he wants the bike in 14 weeks, how much should Jeffery save each week?
What is $18?
There are 150 students in 5th grade and the teachers want to take everyone on a field trip. The teachers separate the students into groups of 11 per bus.
Miss Ion says they will need to take 13 buses but Mrs. Mitchell says they will need to take 14. Who is correct? Solve and explain your reasoning.
What is 14 buses, so Mrs. Mitchell is correct.
Possible explanation: The answer is 13 with a remainder of 7. You can't leave 7 students behind, so you will need to take 14 buses.
What was Mr. Koekkoek's favorite subject in school?
What was History.
Isaiah wrote the problem 648 ÷ 9 = 72. Using VOCABULARY, explain how Isaiah could use multiplication to check his answer.
Answers may vary. An example would be:
Isaiah would multiply the quotient (72) and the divisor (9) together to see if his answer was the dividend (648).
Dana is making a seating chart for an awards banquet. There are 184 people coming to the banquet. If 8 people can be seated at each table, how many tables are needed?
What is 23?
James wants to save the same amount of money each week for a trip. He needs $2,040. If the trip is 24 weeks away, how much money should James save per week?
What is $85?
Kacie and Kayla are teaching kayaking classes at a summer camp. They have 148 students signed up for classes. If they can only fit 8 students in per class, how many classes do they need to have?
Kacie says they need 19 classes, but Kayla says they need 20. Who is correct? Explain your reasoning.
What is 19 classes, so Kacie is correct.
Possible explanation: The answer is 18 with a remainder of 4. You can't leave 4 students out of classes, so they will need to hold 19 classes.
At what college did Mr. Koekkoek attend?
What is the University of Oregon?