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Ratio review

Learn how to find the ratio between two things given a diagram.
A ratio compares two different quantities.
For example, those two quantities could be monkeys and bananas:
4 monkeys and 5 bananas.
Notice that there are 4 monkeys and 5 bananas.
Here are a few different ways we can describe the ratio of monkeys to bananas:
  1. There are 4 monkeys for every 5 bananas.
  2. The ratio of monkeys to bananas is 4 to 5.
  3. The ratio of monkeys to bananas is 4:5.
Order matters in ratios. Here are a few different ways to describe the ratio of bananas to monkeys:
  1. There are 5 bananas for every 4 monkeys .
  2. The ratio of bananas to monkeys is 5 to 4.
  3. The ratio of bananas to monkeys is 5:4.

Let's practice!

Problem 1
Dana loves rocks! She has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate.
What is the ratio of pieces of sandstone to pieces of marble in Dana's collection?
Choose 1 answer:

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