Significant Digits Practice Worksheet
A Grade 11 Math worksheet to practice identifying and applying rules for significant digits in various calculations.
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Significant Digits Practice
Name:
Date:
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Read each question carefully and provide your answers, paying close attention to the rules of significant digits.
1. How many significant digits are in the measurement 0.00450 g?
2
3
4
5
2. The number 200.0 has how many significant digits?
1
3
4
5
Determine the number of significant digits in each of the following measurements:
3. 12.345 m:
4. 0.0067 kg:
5. 1000 cm:
6. 5.0 x 10^3 L:
Perform the following calculations and report your answers with the correct number of significant digits.
7. Add 12.5 g and 3.456 g.
8. Multiply 2.3 cm by 4.56 cm.
9. Subtract 0.075 m from 1.25 m.
Indicate whether each statement is True or False regarding significant digits.
10. All non-zero digits are always significant.
True
False
11. Trailing zeros are always significant.
True
False
12. A student measures the length of a desk as 1.50 m and its width as 0.75 m. Calculate the area of the desk and express your answer with the correct number of significant digits. Explain your reasoning.