Factors
Multiples
Composite or Prime?
Expressions &
Estimating Products
Using Mental Math &
Area Model
100

What are the factors of 6?

The factors of 6 are: 1,2,3,6

100

List the first five multiples of 4.

The first five multiples of 4 are 4, 8, 12, 16, 20

100

Is 8 a prime or composite number?

Composite Number
100

Round the factors to estimate the product.

34 x 24

30 x 20 = 600

100

Solve using mental math. 

14 x 31

(14 x 30) + (14 x 1)

420 + 14 = 434

200

What are the factors of 24?

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24

200

List the first five multiples of 6. 

The first five multiples of 6 are 6, 12, 18, 24, 30

200

Is 17 a prime or composite number?

Prime Number

200

Round the factors to estimate the product.

187 x 51

200 x 50 = 10,000

200

Solve using mental math.

12 x 29

(12 x 30) - (12 x 1)

360 - 12 = 348

300

What are the factors of 32?

The factors of 32 are 1, 2, 4, 8, 16, 32

300

Is 48 a multiple of 8?

Yes, 48 is a multiple of 8. 

300
Is 1 a prime or composite number?

Neither!

300

Round the factors to estimate the product.

6,286 x 26 

6,000 x 30 = 180,000

300

Solve using an area model.

33 x 21 

(Check for area model)

693

400
Is 15 a factor of 64?

No

400

Is 56 a multiple of 6?

No, 56 is not a multiple of 6.

400

Is 34 a prime or composite number? 

Composite Number

400

Draw a tape diagram to represent "3 times the difference between 42 and 23"

*Teacher will check your diagram. 

400

Solve using an area model.

433 x 31

(check for area model)

13,423

500

Is 18 a factor of 90?

Yes

What is the other factor of 90?

500

What is the Least Common Multiple of 2 and 3?

The Least Common Multiple of 2 and 3 is 6. 

500

Is 127 a prime or composite number?

Prime Number

500

Write the numerical expression in words.

10 x (3 + 11)

Ten times the sum of three and eleven.

10 times the sum of 3 and 11

500

Solve using an area model.

273 x 306

(check for area model)

83,538