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Understanding Fractions and Scale Factors

Understanding Fractions and Scale Factors

Assessment

Interactive Video

•

Mathematics

•

5th - 8th Grade

•

Practice Problem

•

Hard

•
CCSS
7.RP.A.2B, 7.NS.A.2D, 6.RP.A.1

+2

Standards-aligned

Created by

Olivia Brooks

Used 1+ times

FREE Resource

Standards-aligned

CCSS.7.RP.A.2B
,
CCSS.7.NS.A.2D
,
CCSS.6.RP.A.1
CCSS.8.NS.A.1
,
CCSS.6.RP.A.2
,
The video tutorial explains how to determine the scale factor of a scale drawing by comparing the model or scale to the actual or original size. It provides multiple examples, demonstrating how to set up ratios, simplify them, and convert between decimals and fractions using a calculator. The tutorial emphasizes the importance of understanding whether the result should be in decimal, fraction, or ratio form, and provides step-by-step guidance on using calculator functions to achieve the desired format.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scale factor when the model is 0.75 and the original is 1.25?

0.6

0.75

1.5

1.25

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the ratio 0.6 be expressed as a fraction?

1/2

5/6

2/3

3/5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the original is 2 and the model is 3.5, what is the scale factor?

1.75

2.5

1.5

2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is 1.75 expressed as a mixed number?

1 1/2

1 3/4

2 1/4

2

Tags

CCSS.7.RP.A.2B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scale factor when the scale is 0.75 and the original is 1.75?

4/5

3/7

5/6

2/3

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you convert a decimal to a fraction using a calculator?

Use the logarithm function

Use the percentage button

Use the fraction conversion button

Use the square root function

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified ratio of a scale of 6 to an original of 4?

3/2

2/3

4/5

5/6

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