Rates, Proportions and Percents Unit Review
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+3
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rate?
Back
A rate is a ratio that compares two different quantities, often expressed as a fraction. For example, speed is a rate that compares distance to time (miles per hour).
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal. For example, if a/b = c/d, then a, b, c, and d are in proportion.
Tags
CCSS.7.RP.A.2A
3.
FLASHCARD QUESTION
Front
What is a percent?
Back
A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 25% means 25 out of 100.
4.
FLASHCARD QUESTION
Front
How do you calculate the total cost including a tip?
Back
To calculate the total cost including a tip, multiply the original amount by the tip percentage (as a decimal), then add that amount to the original cost. For example, for a $50 meal with an 18% tip: $50 x 0.18 = $9; Total = $50 + $9 = $59.
Tags
CCSS.6.RP.A.3C
5.
FLASHCARD QUESTION
Front
What is the formula to find the selling price after a markup?
Back
The selling price can be found using the formula: Selling Price = Cost Price + (Cost Price x Markup Percentage). For example, if a radio costs $45 and has a 30% markup: Selling Price = $45 + ($45 x 0.30) = $58.50.
Tags
CCSS.6.RP.A.3C
6.
FLASHCARD QUESTION
Front
How do you convert a map scale to actual distance?
Back
To convert a map scale to actual distance, multiply the measurement on the map by the scale factor. For example, if the scale is 1 inch = 40 miles and the road measures 2.5 inches: Actual distance = 2.5 x 40 = 100 miles.
Tags
CCSS.6.RP.A.3B
7.
FLASHCARD QUESTION
Front
What is a circle graph (pie chart)?
Back
A circle graph, or pie chart, is a circular statistical graphic that is divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the total.
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