What is a ratio?
IM Grade 6 Unit 2 End of Unit Assessment Review

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Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.
2.
FLASHCARD QUESTION
Front
How do you find the total number of items in a ratio?
Back
To find the total number of items in a ratio, add the parts of the ratio together and then use that sum to determine the quantity of each part based on the total.
3.
FLASHCARD QUESTION
Front
If the ratio of purple bikes to red bikes is 8 to 12, how do you find the number of purple bikes if there are 100 bikes total?
Back
First, find the total parts in the ratio (8 + 12 = 20). Then, divide the total number of bikes (100) by the total parts (20) to find the value of one part (100 ÷ 20 = 5). Multiply the number of purple bikes (8) by the value of one part (8 × 5 = 40).
4.
FLASHCARD QUESTION
Front
What is an equivalent ratio?
Back
An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 1:2 and 2:4 are equivalent ratios.
5.
FLASHCARD QUESTION
Front
How do you create equivalent ratios?
Back
To create equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number.
6.
FLASHCARD QUESTION
Front
What is a tape diagram?
Back
A tape diagram is a visual representation of a ratio or a fraction, often used to help solve problems involving proportions.
7.
FLASHCARD QUESTION
Front
How can you use a double number line to compare ratios?
Back
A double number line is a visual tool that shows two related quantities along two parallel lines, helping to identify equivalent ratios and understand their relationships.
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