Back to Details Practice: Use scale factors and unit rates in proportional relationships to solve ratio and percent problems. (NC.7.RP.3) Open in Editor

Practice: Use scale factors and unit rates in proportional relationships to solve ratio and percent problems. (NC.7.RP.3)

Targeted remediation practice

            📚 Mathematics
                            🎓 Grade 7
                                        ⏱️ 25 minutes
                    

Learning Objectives

Use scale factors and unit rates in proportional relationships to solve ratio and percent problems.

            Progress
            4 sections
        

1
Practice set 1

Question 1

A {money:120.00} item is discounted 20%. What is the sale price?

{money:100.00}
{money:96.00}
{money:144.00}
{money:24.00}

Question 2

On a scale drawing, 1 cm represents 5 m. A wall is 3 cm long in the drawing. How long is the real wall?

8 m
15 m
3 m
1 m

Question 3

A {money:20.00} item increases in price by 20%. What is the new price?

{money:24.00}
{money:4.00}
{money:40.00}
{money:16.00}

Question 4

A {money:50.00} item is discounted 50%. What is the sale price?

{money:26.00}
{money:25.00}
{money:75.00}
{money:0.00}

Question 5

On a scale drawing, 1 cm represents 4 m. A wall is 8 cm long in the drawing. How long is the real wall?

12 m
8 m
32 m
2 m

2
Practice set 2

Question 6

A {money:80.00} item increases in price by 20%. What is the new price?

{money:64.00}
{money:96.00}
{money:100.00}
{money:16.00}

Question 7

A {money:60.00} item is discounted 10%. What is the sale price?

{money:6.00}
{money:50.00}
{money:66.00}
{money:54.00}

Question 8

On a scale drawing, 1 cm represents 3 m. A wall is 4 cm long in the drawing. How long is the real wall?

7 m
12 m
4 m
1 m

Question 9

A {money:120.00} item increases in price by 20%. What is the new price?

{money:140.00}
{money:144.00}
{money:96.00}
{money:24.00}

Question 10

A {money:60.00} item is discounted 25%. What is the sale price?

{money:15.00}
{money:75.00}
{money:45.00}
{money:35.00}

3
Practice set 3

Question 11

On a scale drawing, 1 cm represents 3 m. A wall is 6 cm long in the drawing. How long is the real wall?

18 m
2 m
6 m
9 m

Question 12

A {money:120.00} item increases in price by 10%. What is the new price?

{money:130.00}
{money:108.00}
{money:12.00}
{money:132.00}

Question 13

A {money:120.00} item is discounted 50%. What is the sale price?

{money:60.00}
{money:70.00}
{money:180.00}
{money:61.00}

Question 14

On a scale drawing, 1 cm represents 5 m. A wall is 4 cm long in the drawing. How long is the real wall?

9 m
4 m
20 m
1 m

Question 15

A {money:20.00} item increases in price by 15%. What is the new price?

{money:17.00}
{money:3.00}
{money:35.00}
{money:23.00}

4
Practice set 4

Question 16

A {money:120.00} item is discounted 25%. What is the sale price?

{money:30.00}
{money:150.00}
{money:90.00}
{money:95.00}

Question 17

On a scale drawing, 1 cm represents 3 m. A wall is 9 cm long in the drawing. How long is the real wall?

27 m
9 m
3 m
12 m

Question 18

A {money:120.00} item increases in price by 15%. What is the new price?

{money:135.00}
{money:102.00}
{money:138.00}
{money:18.00}

Question 19

A {money:100.00} item is discounted 50%. What is the sale price?

{money:50.00}
{money:51.00}
{money:150.00}
{money:49.00}

Question 20

On a scale drawing, 1 cm represents 2 m. A wall is 7 cm long in the drawing. How long is the real wall?

9 m
3 m
14 m
7 m

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