Percentage Change
Authored by CHOI HO
Mathematics
7th Grade
CCSS covered
Used 261+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a wetland, 400 birds were observed in 2018 and 450 birds were observed in 2019. Find the change of the no. of birds.
increased by 50
increased by 12.5%
decreased by 50
decreased by 12.5%
Tags
CCSS.6.RP.A.3C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a wetland, 400 birds are observed in 2018 and 450 birds are observed in 2019. Find the percentage change of the no. of birds.
decreased by 12.5%
increased by 50
increased by 12.5%
increased by 50%
Tags
CCSS.6.RP.A.3C
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The height of Tom is 132cm. He is 10% taller than last year. What is his height last year?
118.8 cm
119 cm
122 cm
120 cm
Tags
CCSS.6.RP.A.3C
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The fee of lunch was $40 per head. It becomes $30 per head this year. Find the change.
decreased by $10
decreased by 10%
decreased by 25%
increased by $10
Tags
CCSS.6.RP.A.3C
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The fee of lunch was $40 per head. It becomes $30 per head this year. Find the percentage decrease.
$10
10%
25%
-25%
Tags
CCSS.6.RP.A.3C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mr Tam can finish 3000m in 20 min last year and he can do it in 18 min this year. What is the change?
2 min
-2 min
10%
-10%
Tags
CCSS.6.RP.A.3C
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Mr Tam can finish 3000m in 20 min last year and he can do it in 18 min this year. Find the percentage change.
10 min
-10 min
10%
-10%
Tags
CCSS.6.RP.A.3C
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