Proportional Reasoning-2: Practice 1

Practise focused skills from Proportional Reasoning-2

MathematicsGrade 8Mixed12 questions24 min

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Section A: Core Practice · 6 questionsSection B: Reasoning and Application · 6 questions

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Section A: Core Practice

Build core ideas for this chapter.

Choose the best answer for each question.

Question 1

EasyQuestion

In a pie chart, $60$ out of $240$ students chose sports. What percent is this?

Topic: Pie Charts and Proportional Data · Skill: Convert data values into pie-chart angles

Question 2

EasyQuestion

In a pie chart, $180$ out of $720$ students chose sports. What percent is this?

Topic: Pie Charts and Proportional Data · Skill: Interpret pie charts using fractions and percentages

Question 3

MediumQuestion

A sector represents $25%$ of a pie chart. What is its central angle?

Topic: Pie Charts and Proportional Data · Skill: Judge conclusions from proportional data displays

Question 4

MediumQuestion

$8$ workers finish a task in $12$ hours. At the same rate, how long will $16$ workers take?

Topic: Inverse Proportion · Skill: Identify inverse proportion from contexts

Question 5

MediumQuestion

$5$ workers finish a task in $16$ hours. At the same rate, how long will $10$ workers take?

Topic: Inverse Proportion · Skill: Solve inverse proportion problems

What this assignment covers

Progressive Grade 8 Math practice for Proportional Reasoning-2 covering Compound Proportional Reasoning, Inverse Proportion, Pie Charts and Proportional Data.

Skills and sections

Convert data values into pie-chart angles, Interpret pie charts using fractions and percentages, Judge conclusions from proportional data displays, Identify inverse proportion from contexts, Solve inverse proportion problems

Section A: Core Practice: 6 questions
Section B: Reasoning and Application: 6 questions