Writing Percent Equations
Authored by Camaryn Self
Mathematics
7th Grade
CCSS covered
Used 10+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cell phone company dropped the prices on their phones by 7%. Which equation shows the relationship between the p, the old price of the phones, and n, the new price of the phones?
p= 0.07n
p = n - 1.07
p = n - 0.07
p = n - 0.07n
Tags
CCSS.8.EE.C.7B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sam drew a square with each side being exactly 12 centimeters long. If he wanted to make the square 12% larger which expression can he use to find the new sides length?
12 x 0.12
12+ 1.12
12 x 1.12
12 + 0.12
Tags
CCSS.7.EE.B.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Each new rectangle is 21% longer than the original. Write an equation to represent the relationship between the length of an original rectangle, b, and the length of the new rectangle, c.
c = 1.21b
c = 1b + 0.21b
c = (1+0.21)b
All of the above
Tags
CCSS.HSF-BF.A.1A
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which story matches with the equation c = 1.25b?
Did you know that if you do not cut hair, it can grow 25% longer in a month?
My friend always eats 20% of whatever I bring for lunch.
My phone bill costs 25% less this month than last month.
A candy bar is now 50% longer than it originally was.
Tags
CCSS.6.EE.B.7
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which story matches with the equation c = 0.80b?
Did you know that if you do not cut hair, it can grow 25% longer in a month?
My friend always eats 20% of whatever I bring for lunch.
My phone bill costs 25% less this month than last month.
A candy bar is now 50% longer than it originally was.
Tags
CCSS.6.EE.B.7
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which story matches with the equation c = 1.50b?
Did you know that if you do not cut hair, it can grow 25% longer in a month?
My friend always eats 20% of whatever I bring for lunch.
My phone bill costs 25% less this month than last month.
A candy bar is now 50% longer than it originally was.
Tags
CCSS.6.EE.B.7
7.
OPEN ENDED QUESTION
3 mins • Ungraded
Write a story for the following equation: c = 0.75b
Evaluate responses using AI:
OFF
Tags
CCSS.L.1.6
CCSS.L.3.6
CCSS.L.4.6
CCSS.RL.1.4
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