Solving Problems with Ratios
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Objective
I can solve real-world problems using ratios.
Part 1 of 4
Warm-up video
mathantics · 8:49Vetted channel
We don't generate video — this one is by mathantics on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
A ratio is defined as a relationship between two numbers by division, used to show how two different things relate to each other.
- 2
When a ratio involves a period of time, it is called a rate, such as 40 miles per hour or 10 meters per second.
- 3
To make comparing different rates easier, they can be converted into a unit rate by dividing the top number by the bottom number, so the bottom number becomes one.
Part 3 of 4
Practice
12 questions
A ratio is described as a relationship between two numbers by division. Provide your own real-world example of a ratio, clearly identifying the two different things being compared.
Explain the fundamental difference between a ratio and a fraction. Use the comparison of '2 dogs to 5 cats' as an example of a ratio and '2/5 of a pizza' as an example of a fraction to illustrate your explanation.
Part 4 of 4
Exit ticket
Quick comprehension check
“A baker uses 18 cups of flour to make 3 cakes. Another baker uses 20 cups of flour to make 4 cakes. Which baker uses less flour per cake? Show your work by converting both situations into unit rates.”
Sample answer included in the free materials
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