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Writing Standard Form Numbers as Ordinary Numbers

In this worksheet, students write standard form numbers as ordinary numbers.

'Writing Standard Form Numbers as Ordinary Numbers ' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Interpret/Compare Standard Form Numbers

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

In this worksheet, you must change numbers written in standard form back to ordinary numbers.

 

Remember       10000 = 104
1000 = 103
100 = 102
10 = 101
1 = 100
 
1

10
= 10-1  or 
1

10
 
1

100
= 10-2  or 
1

102
 
1

1000
= 10-3  or 
1

103

 

 

Examples

 

5.1 × 10as an ordinary number is

5.1 × 10000 = 51000



3.214 × 10 -4 as an ordinary number is

3.214 ×
1

1000
 = 3.214 ÷ 10000 = 0.0003214

Write this standard form number as an ordinary number:

9.54 × 10-2 =

Write this standard form number as an ordinary number:

5.37 × 10-3

Write this standard form number as an ordinary number:

5.79 × 10-2

Write this standard form number as an ordinary number:

5.31 × 103

Write this standard form number as an ordinary number:

7.03 × 102

Write this standard form number as an ordinary number:

5.63 × 10-4

Write this standard form number as an ordinary number:

1 × 10-2

Write this standard form number as an ordinary number:

3.18 × 102

Write this standard form number as an ordinary number:

6.47 × 101

Write this standard form number as an ordinary number:

6 × 106

  • Question 1

Write this standard form number as an ordinary number:

9.54 × 10-2 =
CORRECT ANSWER
0.0954
  • Question 2

Write this standard form number as an ordinary number:

5.37 × 10-3

CORRECT ANSWER
0.00537
  • Question 3

Write this standard form number as an ordinary number:

5.79 × 10-2

CORRECT ANSWER
0.0579
  • Question 4

Write this standard form number as an ordinary number:

5.31 × 103

CORRECT ANSWER
5310
  • Question 5

Write this standard form number as an ordinary number:

7.03 × 102

CORRECT ANSWER
703
  • Question 6

Write this standard form number as an ordinary number:

5.63 × 10-4

CORRECT ANSWER
0.000563
  • Question 7

Write this standard form number as an ordinary number:

1 × 10-2

CORRECT ANSWER
0.01
  • Question 8

Write this standard form number as an ordinary number:

3.18 × 102

CORRECT ANSWER
318
  • Question 9

Write this standard form number as an ordinary number:

6.47 × 101

CORRECT ANSWER
64.7
  • Question 10

Write this standard form number as an ordinary number:

6 × 106

CORRECT ANSWER
6000000
---- OR ----

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