Show:
Multiplication
Division
Prime, Composite, Factors, and Multiples
Vocabulary
Area and Perimeter
100
April has 6 times as many Skittles as her younger sister Eva. Eva has 9 Skittles. How many Skittles does April have?
54
100
Luis divided 63 Legos into 7 equally-sized piles. How many Legos were in each pile?
9 Legos
100
Is 17 prime or composite? List its factors to prove your answer.
Prime. Factors: 1,17 (or 1 X 17)
100
What is a prime number?
A number with exactly two factors, 1 and the number itself.
100
What is the formula for area? What is the formula for perimeter?
Area = Length X Width or A = L X W Perimeter = Side + Side + Side + Side (or Length + Length + Width + Width)
200

47 x 8

376

200
45 divided by 3
15
200
Is 14 prime or composite? List its factors to prove your answer?
Composite. Factors: 1, 2, 7, 14 or (1 x 14) and (2 x 7)
200
What is a composite number?
A number with more than two factors.
200
A square has a length of 8. What is its area?
64 square units
300

The school cooks made 45 cookies for each classroom. There are 5 classrooms in the building. How many cookies did the school cooks make?

225 cookies

300

145 divided by 5

29

300
List all the factors of 36 from least to greatest.
1, 2, 3, 4, 6, 9, 12, 18, 36
300
What is a multiple?
A number that can be divided by another number without a remainder. Or, a count-by, or number we say or write when counting by another number.
300
A rectangle has a length of 4 and a width of 7. What is its perimeter?
22 units
400

5 x 61

305

400

is 78 a multiple of 3?

yes, 3x26=78

400
List the first eight multiples of both 4 and 5. Circle the common multiple(s).
4: 4, 8, 12, 16, 20, 24, 28, 32 5: 5, 10, 15, 20, 25, 30, 35, 40
400
What is a quotient?
The answer to a division problem.
400
A rectangle has a length of 3 and an area of 15. What is its width?
5 units
500

87 x 6

522

500

840 divided by 6

140

500
List the factors of both 4 and 16. Circle common factors.
4: 1, 2, 4 16: 1, 2, 4, 8, 16 Common factors: 1, 2, 4
500
What is a product?
The answer to a multiplication problem.
500
A rectangle has a length of 12 and a width of 9. Find its area and perimeter.
Area = 108 square units Perimeter = 42 units