Factors
Multiples
Estimating and Rounding
Prime and Composite Numbers
100

What is a factor?

A factor is a number that can be multiplied into a base number.

100

What is the least common multiple of 24 and 6?

4

100

Estimate the total cost of 4 packs of markers at $3.50 each and 3 notebooks at $2.25 each.

$21.00

100

List all the prime numbers between 2 and 48.

2,3,5,7,11,13,17,19,23,29,31,37,41,43,47

200

What is the least common factor of 20 and 5?

4

200

What is the greatest common multiple of 35 and 7?

5

200

Round 3426 to the nearest thousand

3,000

200

Explain why 1 is not a prime number.

1 is not a prime number because its factors are only 1.

300

What is Prime Factorization?

Any specific answer

300

What are the first six multiples of 7?

7,14,21,28,35,42

300

Estimate 53.2678 to the nearest hundredth

53.2700

300

List all the composite numbers between 1 and 15.

4,6,8,10,12,14,15

400

How many prime factors are between 2 and 20?

8

400

What is the 20th multiple of 14?

280

400

Round 278,943.96453 to the nearest thousand

279,000

400

What are all the prime factors of 128?

2

500

What are all the factors of 132?

1,2,3,4,6,11,12,22,33,44,66, and 132

500

Only use 5 decimals to the right of pi and find the third multiple of pi

9.42478

500

Estimate pi to a whole number

3

500

Why isn't Pi a composite number?

Because you can round up to 3 and because it is a irrational/decimal number if you do not round up to 3