Unit 5 Test Review

Front

What is the scale conversion if 1 cm represents 8 km?

Back

To find the actual distance, multiply the distance on the map by the scale factor. For example, if two locations are 24 cm apart on the map, the actual distance is 24 cm * 8 km/cm = 192 km.

Front

If hamburger meat sells for $6 for every 3 pounds, how much does it cost per pound?

Back

The cost per pound is $6 / 3 pounds = $2 per pound.

Front

Convert 53 yards per hour into inches per week.

Back

53 yards/hour = 53 * 36 inches/hour = 1908 inches/hour. In a week (24 hours * 7 days = 168 hours), it is 1908 inches/hour * 168 hours = 320544 inches/week.

Front

Which ratio is NOT equivalent to 3:5?

Back

21:28 is not equivalent to 3:5. Equivalent ratios can be found by multiplying or dividing both terms by the same number.

Front

How can you find the height of a person using similar triangles?

Back

Use the properties of similar triangles to set up a proportion based on the known heights and distances.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, expressed as 'a:b' or 'a/b'.

Front

What is the formula for converting kilometers to centimeters?

Back

To convert kilometers to centimeters, multiply the number of kilometers by 100,000 (1 km = 100,000 cm).

Front

How do you calculate the total cost of multiple items?

Back

Multiply the price of one item by the number of items purchased. For example, if one item costs $20 and you buy 3, the total cost is $20 * 3 = $60.

Front

What is the relationship between speed, distance, and time?

Back

The relationship is given by the formula: Distance = Speed × Time.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.