Understanding Approximation and Errors

Understanding Approximation and Errors

8th Grade

15 Qs

quiz-placeholder

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Understanding Approximation and Errors

Understanding Approximation and Errors

Assessment

Quiz

Mathematics

8th Grade

Medium

CCSS
6.RP.A.3C, 8.EE.A.4, 5.NBT.A.4

+3

Standards-aligned

Created by

wukolo 7W11KL6

Used 3+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula to calculate percentage error?

(Actual Value - Estimated Value) * 100

(Estimated Value + Actual Value) / 2

(Estimated Value / Actual Value) * 100

(|Estimated Value - Actual Value| / |Actual Value|) * 100

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a measurement is 50 and the true value is 52, what is the percentage error?

4.00%

5.00%

3.85%

2.50%

Tags

CCSS.6.RP.A.3C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many significant figures are in the number 0.00456?

3

5

4

2

Tags

CCSS.8.EE.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Round the number 123.456 to two decimal places.

123.46

123.50

123.45

124.00

Tags

CCSS.5.NBT.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is absolute error?

Absolute error is calculated as measured value + true value.

Absolute error is the average of all measured values.

Absolute error is calculated as |measured value - true value|.

Absolute error is the difference between two measured values.

Tags

CCSS.6.RP.A.3C

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the measured value is 10 and the true value is 12, what is the absolute error?

1

3

5

2

Tags

CCSS.6.RP.A.3D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define relative error in your own words.

Relative error is the difference between the measured value and the true value.

Relative error is the total error in a measurement without reference to the true value.

Relative error is the average of all errors in a set of measurements.

Relative error is the ratio of the absolute error to the true value, often expressed as a percentage.

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