Significant Figures Worksheet

A Grade 9 science worksheet focusing on identifying and using significant figures in measurements and calculations.

Grade 9 Science Units and MeasurementSignificant Figures

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Includes

2 Short Answer2 Multiple ChoiceFill in the Blanks

Standards

NGSS.HS-PS1-7CCSS.MATH.CONTENT.HSA-CED.A.1

Topics

significant figuressciencemeasurementgrade 9chemistryphysics

7 sections · Free to use · Printable

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Significant Figures Practice

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Read each question carefully and provide your answers using the correct number of significant figures.

Determine the number of significant figures in each of the following measurements:

1. 0.0050 g

2. 10.050 mL

3. 2500 cm

4. 3.0 x 10^4 kg

5. What is the correct answer to the following calculation, expressed with the correct number of significant figures?

12.5 g + 349.0 g + 8.240 g = ?

369.740 g

369.74 g

369.7 g

370 g

6. Calculate the area of a rectangle with a length of 5.6 cm and a width of 2.15 cm. Express your answer with the correct number of significant figures.

12.04 cm²

12.0 cm²

12 cm²

12.040 cm²

7. What is the length of the object shown in the diagram below, reported with the correct number of significant figures?

Round each number to the specified number of significant figures.

8. 123.456 to 3 significant figures:

9. 0.00789 to 2 significant figures:

10. 5600 to 1 significant figure: