Factors
What do you call numbers that you multiply together? EX: 3 x 4= 12 ( The three and the four)
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? ( justify your answer on your boards)
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? Are there more than one set of factors you can use to give you a product of ten?
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=
There should be six groups with five items in each group
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 Dalen 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
Solve the following problem using any known strategy. State the answer and the strategy. 7 x 9 = ?
63
Find the product: 6 X 7 = ?
The product is 42
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 operations that undo each other? For example, addition and subtraction... What operation would undo multiplication?
inverse operations; 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. Sunflowers cost $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. EXPLAIN your answer
Yes. Two sunflowers cost $12 ( 6 x 2). If she has three five dollar bills, she has $15 dollars ( 5 x 3).
Cody can make 20 cookies out of one batch of cookie dough. If he makes 6 batches of cookie dough, how many cookies can he make?
He can make 120 cookies.
Missing Factors: What is the missing factor in the number sentence: ___ x 8= 24 Justify your answer
3
What property is the following number sentence showing? 7,453 X 1 = 7,453
Identity Property of Multiplication
Carlos has a 3 bags of marbles. In each bag, he has 7 red marbles, 3 blue marbles and 2 yellow marbles. How many yellow marbles does he have altogether?
2 X 3. He has 6 yellow marbles total.
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 two strategies 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
Find the Product 60 x 5
300