Vocabulary
Multiplication
Division
Other
Multiplication and Division Rules and tricks
100
What is the name for an answer to a multiplication problem?
Product
100
What is 5 x 5?
25
100
15÷3
5
100
What are two multiplication/division fact families for the number 60?
You could answer with any 2 of the following:
60, 10, 6
60, 30, 2
60, 20, 3
60, 60, 1
60, 4, 15
60, 5, 12
100
What is the rule in Multiplication with 0?
Anything Multiplied by 0 is 0. 0 always wins.
200
What is a fact family?
A fact family is a group of three numbers that are shaped in a triangle with multiplication symbols and division symbols used to show the relationship between the numbers.
200
What is 10 x 2 x 3
60
200
200÷2÷2
50
200
Find 3 fact families of the number 28
You must mention all of the following:
28, 1, 28
28, 2, 14
28, 4, 7
200
What is the relationship between multiplication and division?
They are opposites. You can use multiplication to solve division problems and you can use division to solve multiplication problems.
300
Give the definition for the following term: Commutative (Order) Property
Numbers can be multiplied in any order and the product will be the same.
300
What is 13 x 0 x 4?
0
300
Use division to solve this problem.
_ x 5 = 45
45 ÷ 5 = 9
300
How does knowing a numbers multiplication fact family help you solve problems?
You can solve both multiplication and division simply by knowing the three numbers.
300
What is the rule in Multiplication with 9?
Anything multiplied by 9 is itself -1 in the tens place and +whatever number that =9 in the ones place. For example:
9x5 =
5-1=4
4+5=9
so 9x5=45
400
What are the three parts of a division problem called?
45 ÷ 5 = 9
The 45 is called the Dividend
The 5 is called the Divisor
The 9 is called the Quotient
400
What is the missing number?
9x4x__ = 180
The missing number is 5. The whole equation would be 9x4x5=180
400
Suzy has 15 friends coming to her party. As a party favor, she bought 45 chocolate bars and 30 Kit Kat Bars. How many chocolate bars and kit kat bars does each of Suzy's friends get at her party?
Each friend will get 3 chocolate bars and 2 kit kat bars.
400
If Oscar has $50 to spend on candy and toys, when trying to buy the most items possible, what could he buy from the following?
$4 pack of 3 candy bars
$15 board game
$21 board game
$16 multiple pack of candy
$1 soda
$3 large soda
$18 movie and candy pack
He could buy the following:
$15 board game
$16 multiple pack of candy
$1 soda
$18 movie and candy pack
resulting in 4 items.
400
What is it called when you multiply any number by 1? What is the rule?
The Identity Property. Any number multiplied by 1 is itself. For example:
9x1=9
500
Define the following term: Array and explain why arrays are useful when trying to solve multiplication and division problems?
A way of displaying objects in equal rows.
Arrays are useful because they are a visual representation of the numbers.
500
4 of Ronald's friends are coming over to his house after school. 2 of his friends are bringing over 11 toys to play with and the other 2 are bringing 9. How many toys will the 5 kids have to play with after school at Ronald's house? Explain how you solved this problem.
40 toys total.
2 friends bring 11 toys so 2x11 which =22
2 friends bring 9 toys so 2x9 which = 18
22 + 18 = 40
500
455÷5
91
500
Izzy has $50, Megan has $35 and Kyle has $15.
If Izzy pays Megan $13 for a movie they saw and Kyle pays Izzy 10 for a part of a pizza that they ordered. Now, Megan pays Taven $30 for dinner and Taven pays Kyle $14 for lunch. How much does each person have now?
Izzy = $47
Megan = $18
Kyle = $19
Taven = $16
500
What is the rule with dividing 0 by another number?
The answer will always be 0.