Models for Multiplication
Prime or Composite
Fill in the blanks
True or False
Multiplicative Comparisons
100
What is the name of the model that lists factors of a number in a table format?
A ratio table
100
What is a prime number?
A prime number is a number that only has 2 factors (or 1 factor pair), 1 and itself.
100
7x8=__
56
100
True or False:
A prime number has more than 2 factors to describe it.
False
100
Ethan is 9 years old. His dad is 3 times as old as he is. How old is Ethan's dad
Ethan's dad is 27 years old
200
Complete an open number line to solve 9x6.
200
What is a composite number?
A composite number is a number that has more than 1 factor pair.
200
50x___=200
4
200
True or False:
10 is a composite number
True
200
Lily walks 2 miles to get to school each morning. Tressin walks twice as far. How far does Tressin walk to get to school?
Tressin walks 4 miles to school
300
Samir has 24 Roblox action figures. How many different arrays could he organize his action figures into?
4 (1x24, 2x12, 3x8, 4x6)
300
True or false:
13 is a composite number
False. 13 is a prime number because it's only factors are 1 and 13.
300
64 markers is 8 times as many markers at the purple table. Write and solve an equation for this problem.
8x m =64 m=8
300
Three times as many as 6 is 15.
False. Three times as many as 6 is 18.
300
Abrar runs for 15 minutes each day. His coach would like him to run 3 times as much. How many minutes would his coach like for him to run each day?
His coach would like for him to run 45 minutes each day
400
The following is what type of model for multiplication. What is the missing value?
Area model. 8
400
List all the prime numbers between 10 and 20.
11, 13, 17, 19
400
Table 3 has 5 students who each brought 4 pencils. Table 5 has 5 students who each brought 3 pencils. After collecting all the pencils, Mrs. Horn divided them evenly among the students at those two tables. How many pencils did each student get?
Which equation best represents the problem?
a)5+4+5+3=p b) ((5x4)+(5x3))÷ 10=p
c)(5x4)+(5x3)=p d) ((5x4)+(5x3))x 10=p
b) ((5x4)+(5x3))÷ 10=p
400
If a pair of shoes cost 20$ and was four times as much as a sweater, the sweater cost $4.
False. The sweater cost $5.
400
Brayden has a hamster that is 4 inches tall. Marcus has a dog that is 6 times as tall. How tall is Marcus' dog?
24 inches (or 2 feet)
500
Fill in the blanks to complete this ratio table:
500
List all the composite numbers between 1 and 10.
4, 6, 8, 9
500
There are 6 students at table 4. They each bring 2 packets of paper. The class needs 8 times as much paper as the students at table 4 brought to last the entire year. How much paper does the class need for the year?
The class needs 96 packets of paper
500
The multiples of 12 are 1, 2, 3, 4, 6 and 12.
False. Those are factors. The multiples of 12 are 12, 24, 36, 48, etc...
500
Ellie has 4 pages of homework to complete. When she gets home from school, she does half of her homework. Her sister Eden now has three times as much homework as Ellie. How much homework does Eden have to do?
6 pages