Find the Unknown Number
Find the unknown number:
5x3=__
What is:
15
What is the property used:
5x1=5
What is:
Identity Property
"All about me"
What are the factors of the number 6?
1x6
2x3
1,2,3,6
Write a fact family for the set of numbers:
2, 3, 6
2x3=6
3x2=6
6÷3=2
6÷2=3
Harry has $5. Ron has 10 times at much money as Harry. How much money does Ron have?
What is:
50 dollars
Find the unknown number:
4x2=__
What is:
8
What is the property used:
2x3=3x2
What is:
Commutative Property
"Switcheroo Property"
List the first 3 multiples of the number 10
10,20,30...
Fill in the equation:
5 times as many 5x__=10
**
What is:
2
Barbie has 8 rings. This is two times as many rings as Skipper has. How many rings does Skipper have?
What is:
4
Find the unknown number:
50÷___=10
What is:
5
What is the property used:
(3x2)x1=3x(2x1)
What is:
Associative Property
"Friendship property"
What are the factors of the number 18?
1x18
2x9
3x6
1,2,3,6,9,18
The figure below is a model for 3x5=15.
*****
*****
*****
Write a number sentence in the same fact family.
Your answer could be either:
5x3=15
15÷3=5
15÷5=3
Hagrid has 20 dogs. This is 5 times as many dogs as Professor Snape. How many dogs does Snape have?
What is:
4 dogs
Find the unknown number:
__÷6=6
What is:
36
What is the property used:
59x1=59
What is:
Identity Property
"All About Me"
List the first 10 multiples of the number 3
3,6,9,12,15,18,21,24,27,30
The word "How many more" means to do which operation?
Addition, subtraction, multiplication, or division
Subtraction!!!!!
Dudley has 81 candy bars. This is 9 times as many candy bars as Harry. How many candy bars does Harry have?
What is:
9 candy bars
Find the unknown number:
2x3x4=
What is:
24
What is the fun name of the property used:
(5x2)x3=5x(2x3)
What is:
Friendship property
Explain the difference between factors and multiples?
Factors: 2 numbers that multiply together to make a product
12: 1x12, 2x6, 3x4
Multiples: the product you get when you multiply a number by another whole number
5x1=5, 5x2=10, 5x3=15
Explain the difference between a product and quotient?
A product is the answer you get when you multiply.
A quotient is the answer you get when you divide.
Write an equation for this word question:
Ms. I has $6. Miss Waterman has 3 times as much money as Ms. I. How much money does Miss Waterman have?
What is:
6x3=24