5.3K and 5.4B Practice

Front

What is the formula to find the height difference between two people?

Back

Height Difference = Taller Person's Height - Shorter Person's Height

Front

If Reid is 45 inches tall and his sister is 34.52 inches tall, how do you calculate how much taller Reid is?

Back

Subtract the height of Reid's sister from Reid's height: 45 - 34.52 = 10.48 inches.

Front

What is the combined length of two objects measured in centimeters?

Back

To find the combined length, add the lengths of both objects together.

Front

If one card is 1.3 cm long and another card is 1.5 cm long, how do you find their total length?

Back

1.3 cm + 1.5 cm = 2.8 cm.

Front

How do you calculate the total cost of multiple items?

Back

Add the prices of all items together.

Front

If Mr. Vu bought markers for $4.56, erasers for $0.45, and highlighters for $4.78, how do you find the total cost?

Back

Total Cost = 4.56 + 0.45 + 4.78 = $9.79.

Front

What is the process to find out how much change you receive after a purchase?

Back

Change = Amount Given - Total Cost.

Front

If Mr. Vu gave the cashier $20 after spending $9.79, how much change did he receive?

Back

Change = 20 - 9.79 = $10.21.

Front

What is the method to subtract decimal numbers?

Back

Align the decimal points and subtract as you would with whole numbers.

Front

Back

5.4 - 3.628 = 1.772.