Unit Rates and Proportional Relationships

Unit Rates and Proportional Relationships

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial by Mr. Holcomb covers lesson 11 on ratios of fractions and their unit rates. It includes examples such as comparing workout speeds, calculating a turtle's speed, determining if there's enough flour for cupcakes, and exploring paint mixing ratios. The lesson emphasizes converting mixed numbers to improper fractions, calculating unit rates, and understanding proportional relationships.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic introduced in the lesson?

Multiplication of fractions

Subtraction of fractions

Addition of fractions

Ratios of fractions and their unit rates

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert a mixed number to an improper fraction?

Add the whole number to the numerator

Multiply the numerator by the denominator

Multiply the whole number by the denominator and add the numerator

Subtract the numerator from the whole number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit rate formula used in the lesson?

K = Y times X

K = X times Y

K = Y over X

K = X over Y

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit rate of the turtle's speed expressed in miles per hour?

1.05 miles per hour

1.15 miles per hour

2.05 miles per hour

0.95 miles per hour

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the unit rate used to determine if there is enough flour for cupcakes?

By measuring the flour in grams

By adding more flour to the mixture

By comparing the amount of flour needed per dozen to the available flour

By dividing the flour into equal parts

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conclusion about the flour needed for cupcakes?

The flour is too much

There is not enough flour

There is enough flour

The flour is just right

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit rate of red to blue paint in the mixtures?

3/5

5/3

3/2

2/3

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