Pre Algebra Review LP 2

Exponents

100

When you see the following expression, what is the big number called and what is the little number on top of it called?

2⁴

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

What is base? What is exponent?

200

How can you rewrite 9² in expanded form?

What is 9x9?

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

What is 7^4?

400

What is the value of:

8⁴

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

What is 4,096?

Order of Operations

100

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations 

What is 62?

200

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

What is 5?

300

3 + 4² * (3 + 2)

What is 95?

400

 

What is 45?

Percents/ Ratios

100

10% of 86

8.6

200

If 12 pencils cost $15. How much does 24 pencils cost?

$30

300

34% of 78

26.52

400

If I can walk 1.5 miles in 45 minutes, how many miles can I walk in an hour.

2 miles

GCF/LCM

100

Find the GCF of 18 and 9

9

200

Find the LCM of 6 and 5

30

300

Find the GCF of 21 and 14

7

400

Find the LCM of 10 and 12

60