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Standard Form on a Calculator

In this worksheet, students use a calculator to work out questions involving standard index form.

'Standard Form on a Calculator' worksheet

Key stage:  KS 4

Curriculum topic:  Number

Curriculum subtopic:  Calculate with Numbers in Standard Form A x 10n, Where 1 = A < 10 and n is An Integer

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

We use the   EXP  or  EE  button on a calculator to enter numbers written in standard index form.

 

For a negative index, we must use the  +/-  or the  (-)  key before entering the index number.

 

Examples

To enter 3.67 x 1014, press the following keys:

3.67

 EXP 

14

 

To enter 1.29 x 10-4, press the following keys:

1.29

 EXP 

 +/-   or  (-) 

4

 

Notice how your calculator displays numbers in standard form.

 1.29   11  or  1.29  E11 

is 1.29 x 1011 not 1.2911

Use your calculator to work out:

 

3.14 x 102  +  2.63 x 104

5.77 × 106

2.6614 × 104

2.66144

Use your calculator to work out:

 

3.14 x 102  x  2.63 x 104

82.582 × 106

8.2 × 104

8.2582 × 106

Use your calculator to work out:

 

6.45 x 103  x  1.44 x 10-4

0.9288

92880000

9.288 × 107

Use your calculator to work out:

 

6.01 x 10-3  x  1.4 x 10-5

8.414

0.0008414

8.414 × 10-8

Use your calculator to work out:

 

6.1 x 103  x  1.4 x 10x  6 x 105

5.124 × 1014

5.12414

5.124

Use your calculator to work out:

 

4.8 x 10-3  -  2.6 x 10-4

4.54 × 106

4.54 × 10-3

4.54-3

Use your calculator to work out:

 

5 x 103  ÷  5 x 10-5

1.00 × 106

1006

100 million

Use your calculator to work out:

 

7 x 10-4  ÷  3.5 x 10-2

2

22

0.02

Use your calculator to work out:

 

3.2 x 103  x  2 x 10-4 -  1.44 x 103

-1439.36

63998560

6.3 × 107

Use your calculator to work out:

 

3.25 x 10-3  ÷  5 x 10-4 -  1.45 x 10-2

-144.935

6.4855

13.45215

  • Question 1

Use your calculator to work out:

 

3.14 x 102  +  2.63 x 104

CORRECT ANSWER
2.6614 × 104
EDDIE SAYS
3.14 EXP 2 + 2.63 EXP 4 =
  • Question 2

Use your calculator to work out:

 

3.14 x 102  x  2.63 x 104

CORRECT ANSWER
8.2582 × 106
EDDIE SAYS
3.14 EXP 2 × 2.63 EXP 4 =
  • Question 3

Use your calculator to work out:

 

6.45 x 103  x  1.44 x 10-4

CORRECT ANSWER
0.9288
EDDIE SAYS
6.45 EXP 3 × 1.44 EXP (-) 4 =
  • Question 4

Use your calculator to work out:

 

6.01 x 10-3  x  1.4 x 10-5

CORRECT ANSWER
8.414 × 10-8
EDDIE SAYS
6.01 EXP (-) 3 × 1.4 EXP (-) 5 =
  • Question 5

Use your calculator to work out:

 

6.1 x 103  x  1.4 x 10x  6 x 105

CORRECT ANSWER
5.124 × 1014
EDDIE SAYS
6.1 EXP 3 × 1.4 EXP 5 × 6 EXP 5 =
  • Question 6

Use your calculator to work out:

 

4.8 x 10-3  -  2.6 x 10-4

CORRECT ANSWER
4.54 × 10-3
EDDIE SAYS
4.8 EXP (-) 3 - 2.6 EXP (-) 4 =
  • Question 7

Use your calculator to work out:

 

5 x 103  ÷  5 x 10-5

CORRECT ANSWER
100 million
EDDIE SAYS
5 EXP 3 ÷ 5 EXP (-) 5 =
  • Question 8

Use your calculator to work out:

 

7 x 10-4  ÷  3.5 x 10-2

CORRECT ANSWER
0.02
EDDIE SAYS
7 EXP (-) 4 ÷ 3.5 EXP (-) 2 =
  • Question 9

Use your calculator to work out:

 

3.2 x 103  x  2 x 10-4 -  1.44 x 103

CORRECT ANSWER
-1439.36
EDDIE SAYS
3.2 EXP 3 × 2 EXP (-) 4 - 1.44 EXP 3 =
  • Question 10

Use your calculator to work out:

 

3.25 x 10-3  ÷  5 x 10-4 -  1.45 x 10-2

CORRECT ANSWER
6.4855
EDDIE SAYS
3.25 EXP (-) 3 ÷ 5 EXP (-) 4 - 1.45 EXP (-) 2 =
---- OR ----

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