Significant Figures Worksheet
A Grade 11 science worksheet covering significant figures in measurements and calculations.
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Significant Figures Practice
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Read each question carefully and provide your answer in the space provided. Pay close attention to significant figures in all calculations and final answers.
Determine the number of significant figures in each of the following measurements:
1. 0.00340 g
2. 1200 mL
3. 50.0 cm
4. 2.004 x 10^3 kg
5. 7890. s
Perform the following calculations and report your answer with the correct number of significant figures:
6. 12.5 cm + 3.45 cm + 0.08 cm =
7. 25.6 g / 5.0 mL =
8. (3.14 x 5.2 cm) + 10.0 cm =
9. A cube has a side length of 2.50 cm. Its volume is cm³.
Indicate whether each statement is True (T) or False (F).
10. All non-zero digits are always significant.
True
False
11. Leading zeros (zeros before non-zero digits) are always significant.
True
False
12. Trailing zeros are significant only if the number contains a decimal point.
True
False
13. Observe the ruler below. What is the length of the red bar, reported with the correct number of significant figures?

14. Which of the following numbers has exactly three significant figures?
0.025
2500
2.50
250.0