Midterm Review Part 2-Calculator (Regular)

Flashcard
•
Mathematics
•
6th - 9th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
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, 5:8 and 15:24 are equivalent ratios.
Tags
CCSS.6.RP.A.3A
2.
FLASHCARD QUESTION
Front
How do you find an equivalent ratio using multiplication?
Back
To find an equivalent ratio using multiplication, multiply both terms of the ratio by the same non-zero number. For example, for the ratio 5:8, multiplying both by 3 gives 15:24.
Tags
CCSS.6.RP.A.3A
3.
FLASHCARD QUESTION
Front
What is the formula to calculate a tip?
Back
To calculate a tip, multiply the total bill amount by the tip percentage (in decimal form). For example, for a $6.68 bill and a 23% tip, the tip is $6.68 x 0.23 = $1.54.
Tags
CCSS.6.RP.A.3C
4.
FLASHCARD QUESTION
Front
How do you calculate the final price including sales tax?
Back
To calculate the final price including sales tax, multiply the original price by the sales tax rate (in decimal form) and add it to the original price. For example, for a $990 TV with 9% tax, the final price is $990 + ($990 x 0.09) = $1,079.10.
Tags
CCSS.6.RP.A.3C
5.
FLASHCARD QUESTION
Front
What is the formula to find the speed of an object?
Back
The formula to find speed is: Speed = Distance / Time. For example, if a car travels 420 miles in 8 hours, its speed is 420 miles / 8 hours = 52.5 miles per hour.
Tags
CCSS.6.EE.B.7
6.
FLASHCARD QUESTION
Front
How do you determine how far an object will travel at a constant speed?
Back
To determine how far an object will travel at a constant speed, multiply the speed by the time. For example, if a car travels at 52.5 miles per hour for 12 hours, it will travel 52.5 x 12 = 630 miles.
Tags
CCSS.HSF-LE.A.1B
7.
FLASHCARD QUESTION
Front
What is a percentage?
Back
A percentage is a way of expressing a number as a fraction of 100. It is often used to describe how much of something there is compared to the whole.
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