Numerical Expressions Review

Base & Exponent

100

What is the base in 5³ ?

5

200

What is the exponent in 6^{5 ?} 

5

300

Identify the base in 10^{2 ?}

10

400

Identify the exponent in 8^{4 ?}

4

500

Which part tells how many times the base is multiplied?

Exponent

Exponents

100

What is 2^{5 ?}

32

200

What is 3^{4 ?} 

81

300

What is greater 2⁴ or 4²? 

They both equal 16. 

400

Evaluate 1²⁴

1

500

True or False: Exponents is just repeated addition. 

False: it is repeated multiplication

GCF

100

Find the GCF of 16 and 24.

8

200

Find the GCF of 18 and 30.

6

300

What is the GCF of 12 and 20?

4

400

When should you use GCF: sharing or repeating events?

Sharing 

500

Mrs. Matthews has 24 pencils and 36 notebooks. How many equal groups can she make?

12

LCM

100

Find the LCM of 4 and 6.

12

200

Find the LCM of 6 and 8.

24

300

What is the LCM of 9 and 12?

36

400

When should you use LCM: sharing or repeating events?

Repeating Events

500

Two bells ring every 6 and 8 minutes. When will they ring together again?

24 Minutes

Order of Operations

100

Evaluate: 6+2×3² 

24

200

Which comes first: exponents or multiplication?

Exponents

300

3²x4+12-3

45

400

Which comes after exponents in this problem 

(18-3) x4/2+13-4²

4/2 Division 

500

Three school clubs are planning activities:

• The Art Club meets every 12 days.

• The Music Club meets every 18 days.

• The Drama Club meets every 24 days.

All three clubs meet today.

Which of the following best explains how to determine when all three clubs will meet again on the same day, and what that day will be?

A. Find the GCF of 12, 18, and 24 to determine the next meeting day, which will be in 6 days.
B. Find the LCM of 12, 18, and 24 to determine the next meeting day, which will be in 72 days.
C. Find the LCM of 12, 18, and 24 to determine the next meeting day, which will be in 144 days.
D. Multiply 12, 18, and 24 to determine the next meeting day, which will be in 5,184 days.

C