Factors
What do you call numbers that you multiply together? EX: 3 x 4
Factors
What is a multiplication strategy that uses rows and columns to help you multiply?
An array
Hadley had guitar lessons for four days this week. Each guitar lesson lasted two hours. How many hours did she practice in all?
4 x 2 = 8 hours
Use repeated addition to find the product of 3 x 3
3 + 3 + 3 = 9
The answer to a multiplication problem.
What is product?
What are two factors that you can multiply together to give you a product of 10?
2 and 5 10 and 1
Give an example on your boards showing the commutative property
Example: 2 x 3= 6 and 3 x 2= 6
Madison baked cookies for her six friends. Madison gave each friend three cookies. How many cookies did Madison bake in all?
18 cookies
Answer this problem with equal groups. 6x5= ?. Show your answer using a model.
There should be six groups with five items in each group
6 x 5 = 30
What is the product of 5x8?
What is 40?
These two factors are the same. When you multiply them together you come up with a product of four.
2
Cade said that the identity property states that any product multiplied by zero equals zero. Is he correct? Why or why not?
No. The zero property states that any number times zero equals zero. The identity property says that any number times one keeps its identity.
Kaden and Dale had basketball practice everyday for a week straight. If they practiced for four hours each day, how many hours did they practice in all? Use two strategies to find your answer
7 x 4= 28 hours
What is a multiplication fact to match the following repeated addition problem:
6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 =
10 x 6 = 60 OR 6 x 10 = 60
What is the product of 5 x 11?
55
Two even factors multiplied together will alway give you an _______ product. Give an example on your board that proves you are correct.
even
What do we call the operation that would undo multiplication?
division
The Johnson Twins and the Blackwater twins went to the fair. Each twin rode five rides. How many rides did they ride altogether?
5 x 4 = 20
Destiny would like to buy sunflowers. Sunflower costs $6 each. Destiny wants to buy two sunflowers. If she has three five dollar bills, does she have enough money to buy the two sunflowers? Pick a strategy to help you solve this multiple step problem.
Yes. Two sunflowers cost $12 ( 6 x 2). If she has three five dollar bills, she has $15 dollars ( 5 x 3).
What is the product of any factor and 0?
0
Missing Factors: What is the missing factor in the number sentence: ___ x 8= 24 Justify your answer
3
What property is shown by the following example:
(4 x 2) x 7 = 4 x (2 x 7)
Associative Property
Mrs. Ryan ate 2 pieces of cheese pizza and 1 piece of pepperoni pizza for 3 days in a row. How many pieces of pizza did she eat altogether in the 3 days?
(2 +1) x 3 = 9 pieces of pizza
During a football game, Eli ran with the ball three times. Each time he ran ten yards. How many yards did he run in all? Use one strategy to solve this problem
Three groups of ten;
An array with three rows with ten dots in each row;
10+10+10
Answer: 30 yards
If the product is 12, what could the factors be?
12 x 1
3 x 4
6 x 2