Factors
Multiples
Multiplying Decimals
Expressions &
Estimating Products
Using Mental Math &
Area Model
100

What are the factors of 12?

The factors of 12 are: 1,2,3,4,6,12

100

List the first five multiples of 4.

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

100

What is 22 x 2.4?

52.8

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 32?

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

200

List the first five multiples of 6. 

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

200

what's 3.2 x 47?

150.4

200

Round the factors to estimate the product.

1.7 x 55

2 x 60 = 120

200

Solve using mental math.

12 x 29

(12 x 30) - (12 x 1)

360 - 12 = 348

300

Is 16 a prime or composite number?

Composite Number

300

Is 48 a multiple of 8?

Yes, 48 is a multiple of 8. 

300

What's 1.38 x 32?

44.16

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 9 a factor of 72?

Yes
400

Is 56 a multiple of 6?

No, 56 is not a multiple of 6.

400

What's 3.55 x 89?

315.95

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 16 a factor of 112?

Yes

What is the other factor of 112?

500

What are the first five multiples of 24?

The first five multiples of 24 are 24, 48, 72, 96, and 120.

500
What's 2.45 x 305?

747.25

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

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