What is the Multiplicative Property of One?
Give an example.
Any number multiplied by one will always be the other number.
100
*****
*****
*****
What is the multiplication sentence?
3x5
100
8+8+8
What would this be in a multiplication sentence?
8x3
OR
3x8
100
2x5=10 so 5x__=10
What is the missing number?
2
100
Bobby has his rocks in 5 rows with 4 rocks in each row.
How many rocks does he have?
Write the multiplication sentence and the product.
5x4=20
200
What is the Multiplicative property of Zero?
Give an example.
Anything multiplied by zero is zero.
Examples will vary.
200
*********
*********
*********
*********
What is the multiplication sentence?
4x9
200
How would this look in multiplication sentence?
2+2+2+2+2+2
2x6
OR
6x2
200
7x4=28 so 4x__=28
What is the missing number?
7
200
There are 3 rows of pencils and 8 pencils in each row. If it was changed to 8 rows of pencils, how many pencils would be in each row?
(The number of pencils has not changed)
3
300
What is the Commutative property of Multiplication?
Give an example.
Factors can be multiplied in any order and the product will remain the same.
Examples will vary
300
****
****
****
****
****
****
What is the multiplication sentence? And the answer?
6x4=24
300
6x3
What would this look like in repeated additon?
6+6+6
OR
3+3+3+3+3+3
300
9x3=27
How would you represent this with repeated addition?
9+9+9=27
OR
3+3+3+3+3+3+3+3+3=27
300
Write a problem to go with 3x2
Answers will vary
400
What is the Associative property of Multiplication?
Give an example.
The grouping of the factors will not change the product.
Examples will vary.
400
*******
*******
*******
*******
*******
What is the multiplication sentence? And what is the answer?
6x7=42
400
What would this look like in repeated addition?
And what is the product?
4x9
4+4+4+4+4+4+4+4+4=36
OR
9+9+9+9=36
400
6x6=36
What would the array look like?
6 across, 6 down
400
Write a problem to go with 8x3
Answers will vary
500
What is a factor?
What is a product?
Create a multiplication sentence.
Factor: the numbers being multiplied
Product: the answer to a multiplication problem
Examples will vary.
500
**********
**********
**********
**********
What is the multiplication sentence? And what is the answer?
4x10=40
500
What would this look like in multiplication?
And what would the product be?
5+5+5+5+5+5+5
5x7=35
500
What would the array look like for 7x9?
7 across, 9 down
OR
9 across, 7 down
500
Write a problem to go with 9x4 and provide the product.