Place Value
Estimating
Factors & Multiples
Multiplying by 10, 100, 1000
Dividing by 10, 100, 1000
100

Read the following number correctly:

6, 541, 161, 782

Teacher will listen for correct reading

100

24,890 + 5016

30,000

(25,000 + 5000)

100

What are the factors of 36?

1, 2, 3, 4, 6, 9, 12, 18, 36

100

What is 45 x 60?

2700

(45 x 6 = 270, then add a 0)

100

What is 720 / 90?

8

200

In the number, 295, 734, 134

What digit is in the hundred millions place?

2

200

54,500 - 6892

48,000

(55,000-7,000)

200

What is the greatest common factor of 12 and 20?

4

200

What is 35 x 500?

17,500

(35 x 5= 175, then add 2 0's)

200

What is 7,200 / 90?

80

300

Write this number in expanded form:

2, 678, 935, 702

2,000,000,000

600,000,000

70,000,000

8,000,000

900,000

30,000

5,000

700

2

300

4236 x 8

32,000

(4000 x 8)

300

What are the first 5 multiples of 6?

6, 12, 18, 24, 30

300

What is 600 x 20,000?

12,000,000

300

What is 72,000 / 90 ?

800
400

Round this number to nearest ten million:

34, 034, 005, 182

34, 030, 000, 000

400

7080 / 8

700

(7000 / 10)

400

What is the LCM of 5 and 8?

40

400

What is 238 x 1000?

238,000

400

What is 720,000 / 90 ?

8000

500

Round this number to nearest thousand.

50, 499, 600

50, 500, 000

500

639,043 - 599,216

39,000

(639,000 - 600,000)

500

What is the prime factorization of 72?

2 x 2 x 2 x 3 x 3 

OR

2x 32

500

What is 700 x 100?

70,000

500

What is 720,000 / 900 ?

800