Math 5th grade practice

Front

What is a flat fee?

Back

A flat fee is a fixed amount charged for a service, regardless of usage.

Front

How do you calculate the total cost when there is a flat fee and a variable charge?

Back

Total Cost = Flat Fee + (Variable Charge per Unit × Number of Units Used)

Front

If a phone company charges $12 plus $0.05 per minute, how much would a 120-minute call cost?

Back

Total Cost = $12 + ($0.05 × 120) = $12 + $6 = $18.

Front

What is the difference between two fractions?

Back

The difference between two fractions is found by subtracting the smaller fraction from the larger one.

Front

How do you subtract mixed numbers?

Back

Convert mixed numbers to improper fractions, subtract, and then convert back if necessary.

Front

If Carla's sister is 4 1/3 feet tall and her brother is 2 1/3 feet tall, how do you find how much taller she is?

Back

Convert to improper fractions: 4 1/3 = 13/3 and 2 1/3 = 7/3. Then subtract: 13/3 - 7/3 = 6/3 = 2 feet.

Front

What is addition of whole numbers?

Back

Addition of whole numbers is combining two or more numbers to get a total.

Front

If Danny has 297 marbles and buys 468 more, how do you find the total?

Back

Add the two amounts: 297 + 468 = 765 marbles.

Front

What is multiplication in the context of buying items?

Back

Multiplication is used to find the total cost when buying multiple items of the same price.

Front

If each chair costs $5 and Bepa buys 4 chairs, how do you calculate the total cost?

Back

Total Cost = Price per Chair × Number of Chairs = $5 × 4 = $20.