Math Grade 7 Quiz Rewriting Expressions – 7.EE.A.2
CCSS.MATH.CONTENT.7.EE.A.2 revolves around the comprehension and skills required to rewrite mathematical expressions in various forms to gain better insights into problems. This enables students to visualize and understand how different quantities within a problem are interrelated. A key concept here is understanding how slight changes to an expression can represent entirely different realworld scenarios, such as the difference between increasing by a percentage versus direct multiplication.
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Question 1 of 10
1. Question
If you want to represent an “increase by 20%” in the form x+px, what is the value of p?
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Question 2 of 10
2. Question
Which expression equates to “reduce by 30%”?
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Question 3 of 10
3. Question
If a price of an item is increased by 10%, which expression represents the new price if the original price is ‘y’?
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Question 4 of 10
4. Question
“Multiply by 1.08” can also be expressed as:
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Question 5 of 10
5. Question
A salary is reduced by 5%. If the original salary is ‘s’, the new salary is:
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Question 6 of 10
6. Question
Which expression can represent the statement “decrease by 25%” of a number ‘n’?
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Question 7 of 10
7. Question
If the expression z+0.12z represents the total amount after an addition, by what percentage was the amount increased?
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Question 8 of 10
8. Question
To represent “reduction by 40%” for a quantity ‘q’, the expression would be:
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Question 9 of 10
9. Question
The expression “multiply by 0.9” is the same as:
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Question 10 of 10
10. Question
Which expression is equivalent to the statement “decrease by 15%”?
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