Technical Math Semester Test Study Guide Fall 2024

Front

Convert 849 meters into kilometers, rounded to two decimal places.

Back

0.85 km

Front

If a case of 40 water bottles costs $5.36, how much should a case of 24 water bottles cost? (Use a proportion to solve.)

Back

$3.22

Front

What is the formula to convert meters to kilometers?

Back

Divide the number of meters by 1000.

Front

Define proportion in mathematics.

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you set up a proportion to solve for an unknown?

Back

Cross-multiply the known values and solve for the unknown.

Front

What is the value of 1 kilometer in meters?

Back

1 kilometer = 1000 meters.

Front

If 5 apples cost $2.50, how much do 8 apples cost? (Use a proportion to solve.)

Back

$4.00

Front

What is the first step in solving a proportion?

Back

Identify the two ratios that are being compared.

Front

How do you round a number to two decimal places?

Back

Look at the third decimal place; if it's 5 or more, round up the second decimal place.

Front

What is the cost per bottle if a case of 40 bottles costs $5.36?

Back

$0.134 per bottle.