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Vocabulary

100

What is an exponent?

The number of times a base is used as a factor (The tiny number).

200

What is the power of 10?

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

300

Explain or show an example of the Distributive property.

To multiply a sum (expanded form) by a number. Multiply each addend by the number, and add the products.

400

What is prime factorization?

A way of expressing a composite number as a product of its prime factors.

500

What are compatible numbers?

Numbers in a problem that are easy to work with mentally.

factorization

100

Find the prime factorization of 32

2X2X2X2X2

200

Find the prime factorization of 63

3X3X7

300

Find the prime factorization of 250

2X2X2X5X5

400

Find the prime factorization of 49

7X7

500

Find the prime factorization of 72

2X2X2X3X3

exponents & powers of 10

100

Write the product using exponents: 5X5X5X5X5

5⁵

200

Write each product using an exponent: 9X9X9X9

9⁴

300

Write each power as a product  of the same factor. Then find the value. 10⁴

10X10X10X10 = 40,000

400

9,000 X 3

27,000

500

44 x 10²

44 X 10 X 10 =4,400

Estimating

100

estimate the product 61 x 68 

4,200

200

estimate the product 131 x 29

3,000 or 3,900

300

estimate the product 68 x 7

680 or 700

400

Why do we estimate?

To get a quick answer that will be close to the correct answers. It also helps with checking our answer to make sure it makes sense. 

500

estimate the product 33 x 6

330 or 300

Multiplying

100

Solve 712 x 3

2,136

200

Solve: 182 x 6

1,092

300

Solve 806 x 7

5,642

400

Solve 51 x 82

4,182

500

Solve 21 x 42

882