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Prime Factorization
Exponents
Power of 10 (find it mentally)
Estimate and Multiply
Distribute property
100

Write the prime factorization for

15



3 x 5

100

Write each product using an exponent


7 x 7

72

100

Find each product mentally

9 x 40

360

100

Estimate by rounding

22 x 7 

140

100

3 x(5 + 3)

24

200

Write the prime factorization for

36

2 x 2 x 3 x 3

200

Write each product using an exponent

5 x 5 x 5 x 5 x 5 x 5

56

200

Find each product mentally

20 x 100

2,000

200

Estimate by rounding

54 x 17 

1,000

200

3 ( 80 + 9)

267

300

Write the prime factorization for

63

3 x 3 x 7

300

2 x 2 x 3 x 4 x 4 x 4 x 5 x 5 

22 x 31 x 43 x 52

300

Find each product mentally

550 x 100

55,000

300

Estimate by rounding

104 x 41

4,000

300

8 x (90 + 7) 

776

400

Write the prime factorization for

72

2 x 2 x 2 x 3 x 3

400

Write each product using an exponent

3 x 4 x 7 x 7 x 3 x 4

32 x 42 x 72

400

Find each product mentally

1,230 x 1,000

1,230,000

400

276 x 9

2,800

400

7 (50 + 8) 

406

500

Write the prime factorization for

104

2 x 2 x 2 x 13

500

4 x 6 x 6 x 7 x 8 x 8 x 4 x 5 x 5 x 6 x 7 x 1 x 1 x 2

12 x 21 x 42 x 52 x 63 x 72 x 82

500

Find each product mentally

120 x 100

14 x 1,000

170 x 100 

2056 x 1,000


12,000

14,000

17,000

2,056,000

500

108 x 56

6,600

500

5 x(30 + 9)

7x (40 + 6) 

8 x(20 + 8)

2 x(30 + 7)

195

322

224

74