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Finding Powers and Roots of Numbers Using a Calculator

In this worksheet, students find the powers and roots of numbers using a calculator.

'Finding Powers and Roots of Numbers Using a Calculator' worksheet

Key stage:  KS 3

Curriculum topic:  Number

Curriculum subtopic:  Use Calculators/Technology for Accuracy

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

This worksheet is about using a calculator to find the powers and roots of numbers.

 

Example 1

Find

64096 
 
 

 

Answer

This is asking for the sixth root of 4096.

We use the x button or the x1/y root button.

 

Type 6 'root button' 4096 to get the answer 4.

 

Example 2

Find  46

 

Answer

Here we use the ^ button or the xy power button.

 

Type 4 'power button' 6 to get the answer 4096.

 

 

Find

124
 
 

Find

75
 
 

Find

87
 
 

Find

187
 
 

Find

154
 
 

Find

6729 
 
 

Find

716384 
 
 

Find

7279936 
 
 

Find

5248832 
 
 

Find

31000000 
 
 
  • Question 1

Find

124
 
 
CORRECT ANSWER
20736
  • Question 2

Find

75
 
 
CORRECT ANSWER
16807
  • Question 3

Find

87
 
 
CORRECT ANSWER
2097152
  • Question 4

Find

187
 
 
CORRECT ANSWER
612220032
  • Question 5

Find

154
 
 
CORRECT ANSWER
50625
  • Question 6

Find

6729 
 
 
CORRECT ANSWER
3
  • Question 7

Find

716384 
 
 
CORRECT ANSWER
4
  • Question 8

Find

7279936 
 
 
CORRECT ANSWER
6
  • Question 9

Find

5248832 
 
 
CORRECT ANSWER
12
  • Question 10

Find

31000000 
 
 
CORRECT ANSWER
100
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