What is the main challenge in measuring the circumference of a circular object using a ruler?

Circumference and Proportional Relationships

Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rulers are not accurate.
Rulers are too expensive.
Rulers cannot bend around curves.
Rulers are not long enough.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method was suggested to measure the circumference of a circular object?
Using a protractor
Using a calculator
Using a piece of string
Using a compass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the approximate circumference of the coffee mug measured in the activity?
32 cm
60 cm
19.5 cm
7.2 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the constant of proportionality between diameter and circumference called?
Euler's Number
Golden Ratio
Pi
Avogadro's Number
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is doubled, what happens to the circumference?
It is tripled.
It is doubled.
It is halved.
It remains the same.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What value is commonly used as an approximation for pi?
1.62
4.20
3.14
2.71
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measurement was identified as inaccurate in Diego's homework?
The coffee mug
The megaphone
The car tire
The flying disc
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