Vocabulary
Multiplication Comparisons
Comparison Problems
Estimate Products
Using Partial Products
100
The _______ states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products.
What is the Distributive Property
100
Write an equation.
3 times as many as 7 is 21.
What is 3 x 7 = 21
100
At the dog show, there are 4 times as many poodles as boxers. If there are a total of 30 dogs, how many dogs are boxers?
What is 6 boxers
100
Find the two numbers the exact number is between.
3 x 567
What is 1,500 and 1,800
100
Use expanded form. Multiply 5 x 143
What is 715
200
A number that is multiplied by another number to find a product is called a ____________.
What is a factor
200
Write an equation.
7 times as many as 8 is 56.
What is 7 x 8 = 56
200
There are 5 times as many yellow labs as terriers in the dog park. If there are a total of 18 dogs, how many dogs are terriers?
What is 3 terriers
200
Find the two numbers the exact number is between.
6 x 7,381
What is 42,000 and 48,000
200
Use expanded form. Multiply 4 x 213
What is 852
300
A method of multiplying in which the ones, tens, hundreds, and so on are multiplied separately and then the products are added together is called the ____________ method.
What is partial product
300
Write an equation.
35 is 5 times as many as 7.
What is 35=5 x 7
300
Ben has 3 times as many guppies as goldfish. If he has a total of 20 fish, how many guppies does he have?
What is 15 guppies.
300
Find the two numbers the exact number is between.
4 x 94
What is 360 and 400
300
Use expanded form. Multiply 3 x 288
What is 864
400
A strategy that allows us to multiply using mental math is ___________
What is rounding.
400
Write an equation.
40 is 8 times as many as 5.
What is 40 = 8 x 5
400
Carla saw 5 times as many blue jays as cardinals while bird watching. She saw a total of 24 birds. How many more blue jays did she see than cardinals?
What is 16 more blue jays
400
Find the two numbers the exact number is between.
3 x 165
What is 300 and 600
400
Use expanded form. Multiply 6 x 4,121
What is 24,726
500
To see if an answer is reasonable you have to _________
What is estimate
500
Write an equation.
4 times as many as 7 is 28.
What is 4 x 7 = 28
500
Lisa has 5 times as many markers as Jenna. Together they have 18 markers. How many markers does Lisa have?
What is 15 markers
500
Find the two numbers the exact number is between.
5 x 2,213
What is 10,000 and 15,000
500
Use expanded form. Multiply 4 x 2,924
What is 11,696