Choosing Appropriate Scales for Graphs

The video tutorial explains how to choose an appropriate scale for a line graph. It begins by discussing the importance of selecting a scale that fits the graph paper's layout, focusing on the compatibility of scales with the paper's divisions. The tutorial then explores different scale options for both small and large numbers, emphasizing the need to choose scales that divide evenly into the graph's divisions. Finally, it demonstrates selecting the best scale to reach a specific number, in this case, 89, using practical examples.

Why is it important to choose an appropriate scale for a line graph?

• To make the graph easier to draw

• To use up all the space on the graph paper

• To ensure accurate representation of data

• To make the graph look more colorful

What is the first step in choosing a scale for a line graph?

• Using the smallest possible scale

• Determining the maximum value to represent

• Choosing a random scale

• Drawing the graph

Which of the following times tables can be used to divide 10 evenly?

• 3

• 4

• 6

• 5

Why can't 10 be divided evenly by 3?

• Because it doesn't result in a whole number

• Because 3 is too small

• Because 3 is not a factor of 10

• Because 10 is a prime number

What is the result of dividing 10 by 5?

• 2

• 1

• 4

• 3

What scale would be suitable for very small numbers?

• 50

• 10

• 0.1

• 100

Which of the following scales is NOT mentioned for large numbers?

• 100

• 50

• 30

• 20

If you need to reach a maximum of 89 on a graph, which scale is NOT suitable?

• 2

• 10

• 1

• 5

What is the advantage of using a scale of 10 to reach 90 on a graph?

• It is easier to calculate

• It makes the graph look more complex

• It uses fewer numbers

• It fits perfectly on the graph paper

Which scale is suggested for reaching 90 without squashing the graph?

• 5

• 15

• 20

• 10