A1 Conversions and Reference Sheet

Unit conversions are used to _____________.

• plot points on a graph

• simplify radicals

• change from one unit of measurement to another

• change a fraction to a decimal

Answer explanation

Unit conversions are used to change from one unit of measurement to another, allowing for easy comparison and understanding of quantities in different units.

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CCSS.2.MD.A.2

When the temperature is 59°F, the speed of sound at sea level is 1225 kilometers per hour. Which process could be used to convert this speed into feet per second?

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CCSS.5.MD.A.1

Joe compared gas prices in England and New York State one day. In England, gas sold for 1.35 euros per liter, and one dollar equaled 0.622 euros. A correct way to figure out this cost, in dollars per gallon, is

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CCSS.6.RP.A.3D

A company ships an average of 30,000 items each week. The approximate number of items shipped each minute is calculated using the conversion

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CCSS.6.RP.A.3D

The following conversion was done correctly.

What were the final units for this conversion?

• 1. minutes per foot

• 1. minutes per inch

• 1. feet per minute

• inches per minute

Answer explanation

The correct final units for the conversion were inches per minute, as indicated in the answer choices and confirmed as the correct answer.

Olivia entered a baking contest. As part of the contest, she needs to demonstrate how to measure a gallon of milk if she only has a teaspoon measure. She converts the measurement using the ratios below:

Which ratio is incorrectly written in Olivia’s conversion?

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CCSS.4.MD.A.1

Which expression can be used to change 75 kilometers per hour to meters per minute?

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CCSS.5.MD.A.1

Reference Sheet Question: Which of the following is a linear equation in point slope form?

• Percent

• Proportion of Interest

• Initial Value

• Rate of Chance

• a quadratic equation

• the equation of the axis of symmetry

• an arithmetic sequence

• an exponential equation