Prime/Composite
What is a prime number?
a number that has exactly two factors - 1 and itself
200 x 3
600
A rectangle has a length of 33 in. and a width of 21 in. What is the perimeter of the rectangle?
108 in.
Which choice is a multiple of 7?
a. 22
b. 27
c. 48
d. 63
d. 63
There are 26 cars in the parking lot. Each car has 4 wheels. How many wheels is this in all?
104 wheels
What is a composite number?
a number that has more than two factors
867 x 0
0
When using the area model to multiply 17 x 32, what are the four partial products that when added together will solve the equation?
300, 210, 20, and 14
Which number is a factor of 6?
a. 2
b. 4
c. 5
d. 0
a. 2
Ms. Wells sold 7 cases of candy bars. There are 24 candy bars in each case. How many candy bars did Ms. Wells sell?
168 candy bars
Which is a prime number?
a. 33
b. 1
c. 17
d. 50
c. 17
85 ÷ 5
17
Joe has 14 sticker sheets with 33 stickers on each sheet. Joe used the area model to help him solve for 14 x 33. What are the four partial products that Joe can add together to find the total number of stickers?
300, 120, 30, and 12
Ms. E will plant 9 daisies each in flowerpots. There will be no daisies left over. What could be the total number of daisies she will plant?
a. 19
b. 81
c. 57
d. 62
b. 81
There are 520 students at Township 3 Elementary. Dr. Bridges said to split students into 8 teams for a competition. How many students will be on each team?
65 students
Which number is neither prime nor composite? Why?
1, because it has only one factor.
806 ÷ 5
161 R 1
Jackie is ordering a new carpet to fit her bedroom. Her bedroom floor is a rectangle with a length of 14 feet and a width of 10 feet. How many square feet of carpet does Jackie need to cover the area of her bedroom floor?
140 square feet
Name 4 multiples of 6.
Answers may vary...
6, 12, 18, 24, 30, 36, etc.
The 6 girls in Ms. Hartman's class need to sell 480 candy bars to raise enough money to go on a field trip. How many candy bars does each girl need to sell if they each sell the same amount?
80 candy bars
What is the only even prime number?
2
A bookcase is 36 inches wide and has a perimeter of 120 inches. What is the height of the bookcase?
24 in.
In order from least to greatest, what are the factors of 12?
1, 2, 3, 4, 6, 12
There are 43 calories in a candy bar. How many calories are there in 41 candy bars ?
1,763