5. Anticipatory Set
Measure the following line in centimeters.
Measured Value = _______
Actual Value = _______
5
6. FINDING RELATIVE ERROR:
measured - actual
Relative Error = 100
actual
1.) Find the relative error of your measurement of the line.
Round the answer to the nearest tenth of a percent.
6
7. 2.) Measure the following line and then find the relative error
of your measurement. Round your answer to the nearest tenth
of a percent.
Measured Value = _______
Actual Value = ______
7
8. 1
Think-Pair-Share Activity:
Find the relative error for the following problems. Round all
answers to the nearest tenth of a percent.
1.) In a bubble gum experiment Mary and Joe found that there
was 1.7 grams of sugar in a piece of bubble gum. In actuality
there should be 3 grams of sugar. What was the relative error in
their experiment?
8
9. 2
The diameter of a circular dartboard is measured as 5 inches,
rounded to the nearest inch. The actual diameter is 4.7 inches.
What is the relative error in the measurement of the
diameter?
9
10. 3
The boiling point of pure water is 212˚F but the thermometer
measures 201˚F. What is the relative error of the reading?
10
11. BEFORE YOU LEAVE
Describe how relative error could be
used in science class.
11
13. AIM: Relative Error
1.) In a bubble gum experiment Mary and Joe found that there
was 1.7 grams of sugar in a piece of bubble gum. In actuality
there should be 3 grams of sugar. What was the relative error in
their experiment?
measured - actual
Relative Error = 100
actual
13
