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GeoGebra

Simplifying Ratios

Author:Carl Roberts

Introduction

Ratios are used to show how one quantity is related to another (e.g map scales, gear ratios etc.). Is 15:3 the same as 1:5? Find out below.

Question 1

Which of the following ratios are equivalent to 2:3

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
Check my answer (3)

Question 2

Ava has some blue marbles and Billy has some red marbles. They put their marbles together and the ratio of red marbles : blue marbles is 6:4. What is the smallest number of marbles that Ava and Billy could have all together?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Question 3

In a game, there are 3 points scored for a win and 2 point lost for a loss. Sonya wins 12 games, and loses half of the games she wins. What is the ratio of points won to points lost for Sonya?

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
  • G
Check my answer (3)

Question 4

Maria spends three quarters of and hour on a task, while Jo spends 1 hour 10 minutes on the same task. Which of the following could be possible ratios for the time spent by Jo : the time spent by Maria?

Select all that apply
  • A
  • B
  • C
  • D
  • E
Check my answer (3)

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