Worksheet on Significant Figures

In math worksheet on significant figures or significant digits, students need to follow the rules while rounding off the number. Practicing rounding off is very useful because it enables us to simplify complex calculations.

1. Find the number of significant figure in each of the following:

  (a) 7.3 

  (b) 162.5 m 

  (c) 306 g 

  (d) 3.57 m

  (e) 7.005 kg 

  (f) 0.045 km 

  (g) 0.00234 l

  (h) 82.030 mg

  (i) 20.020200 g

  (j) 30.00 km 

  (k) 2.500 ml 

  (l) 60.001


2. Round off each of the following correct up to 3 significant figures: 

  (a) 56.4517 g 

  (b) 5.20763 kg 

  (c) 33.311 km 

  (d) 50.001 cm

  (e) 0.0012485 m

  (f) 0.0013020 l



3. Round off: 

  (a) 15.256 g correct to the three significant figures. 

  (b) 0.00838 mg correct to the two significant figures. 

  (c) 0.004509 g correct to the one significant figures. 

  (d) 29.404 mm correct to the four significant figures. 

  (e) 22.311 km correct to the four significant figures. 

  (f) 3.0921 kg correct to the two significant figures. 

  (g) 0.003519 mm correct to the one significant figures. 



4. Round off: 

  (a) $ 3067.665 to the nearest cents. 

  (b) 0.00499 m to the nearest cm. 

  (c) 17.0444 kg to the nearest g. 

  (d) $ 59.52 to the nearest dollar. 



Answers for worksheet on significant figures are given below to check the exact answers of the questions on significant digit. 


Answers:


1. (a) 2  

(b) 4  

(c) 3  

(d) 3  

(e) 4  

(f) 2 

(g) 3  

(h) 5  

(i) 8  

(j) 4  

(k) 4  

(l) 5



2. (a) 56.5 g

(b) 5.21 kg

(c) 33.3 km

(d) 50.0 cm 

(e) 0.00125 m 

(f) 0.00130 l



3. (a) 15.3 g 

(b) 0.0084 mg 

(c) 0.005 g 

(d)29.40

(e) 22.31 km

(f) 3.1 kg

(g) 0.004 mm 



4. (a) $ 3067.67 

(b) 0.00 m 

(c) 17.044 kg 

(d) $ 60


Significant Figures - Worksheets

Worksheet on Significant Figures








8th Grade Math Practice 

From Worksheet on Significant Figures to HOME PAGE




Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.



New! Comments

Have your say about what you just read! Leave me a comment in the box below. Ask a Question or Answer a Question.




Share this page: What’s this?

Recent Articles

  1. Volume of a Cuboid | Volume of Cuboid Formula | How to Find the Volume

    Jul 20, 25 12:58 PM

    Volume of Cuboid
    Cuboid is a solid box whose every surface is a rectangle of same area or different areas. A cuboid will have a length, breadth and height. Hence we can conclude that volume is 3 dimensional. To measur…

    Read More

  2. 5th Grade Volume | Units of Volume | Measurement of Volume|Cubic Units

    Jul 20, 25 10:22 AM

    Cubes in Cuboid
    Volume is the amount of space enclosed by an object or shape, how much 3-dimensional space (length, height, and width) it occupies. A flat shape like triangle, square and rectangle occupies surface on…

    Read More

  3. Worksheet on Area of a Square and Rectangle | Area of Squares & Rectan

    Jul 19, 25 05:00 AM

    Area and Perimeter of Square and Rectangle
    We will practice the questions given in the worksheet on area of a square and rectangle. We know the amount of surface that a plane figure covers is called its area. 1. Find the area of the square len…

    Read More

  4. Area of Rectangle Square and Triangle | Formulas| Area of Plane Shapes

    Jul 18, 25 10:38 AM

    Area of a Square of Side 1 cm
    Area of a closed plane figure is the amount of surface enclosed within its boundary. Look at the given figures. The shaded region of each figure denotes its area. The standard unit, generally used for…

    Read More

  5. What is Area in Maths? | Units to find Area | Conversion Table of Area

    Jul 17, 25 01:06 AM

    Concept of Area
    The amount of surface that a plane figure covers is called its area. It’s unit is square centimeters or square meters etc. A rectangle, a square, a triangle and a circle are all examples of closed pla…

    Read More