Rates & Unit Rates

Rates & Unit Rates

Assessment

Flashcard

Mathematics

6th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often with different units, such as speed (miles per hour) or heart rate (beats per minute).

2.

FLASHCARD QUESTION

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. It expresses how much of one quantity corresponds to one unit of another quantity.

3.

FLASHCARD QUESTION

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you travel 150 miles in 3 hours, the unit rate is 150 miles ÷ 3 hours = 50 miles per hour.

4.

FLASHCARD QUESTION

Front

What is the formula for finding a proportion?

Back

A proportion states that two ratios are equal. The formula is a/b = c/d, where a, b, c, and d are numbers.

5.

FLASHCARD QUESTION

Front

How do you solve for a missing value in a proportion?

Back

Cross-multiply the known values and then divide to find the missing value. For example, in 90/6 = d/15, cross-multiply to get 90 * 15 = 6 * d, then solve for d.

6.

FLASHCARD QUESTION

Front

What is the heart rate of a person?

Back

Heart rate is the number of times the heart beats in a minute, typically measured in beats per minute (bpm).

7.

FLASHCARD QUESTION

Front

If a person has a heart rate of 600 beats in 5 minutes, what is their heart rate in beats per minute?

Back

To find the heart rate in bpm, divide the total beats by the total minutes and multiply by 60. (600 beats ÷ 5 minutes) * 60 = 720 bpm.

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