Chapter 1

Front

What is the prime factorization of 15?

Back

15 = 3 × 5

Front

What is the prime factorization of 18?

Back

18 = 2 × 3 × 3

Front

How do you find the Greatest Common Factor (GCF) of two numbers?

Back

List the prime factors of each number and multiply the common factors.

Front

What is the GCF of 15 and 18?

Back

3

Front

How do you calculate earnings per hour?

Back

Earnings per Hour = Total Money Earned ÷ Number of Hours Worked

Front

If an employee earned $28.38 for 3.3 hours worked, what is their earnings per hour?

Back

$8.60

Front

If an employee earned $38.50 for 4.4 hours worked, what is their earnings per hour?

Back

$8.75

Front

What is the formula to calculate total cost?

Back

Total Cost = Price per Item × Quantity

Front

Calculate the total cost of 5 snacks at $1.89 each.

Back

Total Cost = 5 × $1.89 = $9.45

Front

Calculate the total cost of 3 beach toys at $1.49 each.

Back

Total Cost = 3 × $1.49 = $4.47