Tales By Dots And Lines: Practice 4

Practise focused skills from Tales by Dots and Lines

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

A line graph rises from $10$ to $30$ to $45$ , then changes to $46$ and $47$ . What trend does it show?

Topic: Line Graphs and Trends · Skill: Interpret trends and changes in line graphs

Question 2

EasyQuestion

A student reads a bar/line graph without checking the axis scale. What mistake may happen?

Topic: Line Graphs and Trends · Skill: Create line graphs from tables

Question 3

MediumQuestion

Find the mean of the data set $[10, 12, 12, 16, 20]$ .

Topic: Mean and Data Balance · Skill: Find arithmetic mean of a data set

Question 4

MediumQuestion

Find the mean of the data set $[1, 3, 7, 7, 7]$ .

Topic: Mean and Data Balance · Skill: Use mean to find a missing value

Question 5

MediumQuestion

The data values are $4,4,6,6,10$ with mean $6$ . Which action shows the idea of mean as balance?

Topic: Mean and Data Balance · Skill: Compare data sets using mean

What this assignment covers

Progressive Grade 8 Math practice for Tales by Dots and Lines covering Dot Plots and Data Distribution, Line Graphs and Trends, Mean and Data Balance.

Skills and sections

Interpret trends and changes in line graphs, Create line graphs from tables, Find arithmetic mean of a data set, Use mean to find a missing value, Compare data sets using mean

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