AI generatedNumberKey Stage 3

Writing small numbers in standard form

Writing small numbers in standard form.

  • is standard form when for positive numbers.
  • Multiply or divide: combine the leading numbers and use index laws. Add or subtract: make the powers match first.
  • Check the leading number at the end and adjust the power if needed.

Example 1

Write the answer in standard form.

For a number smaller than 1, the power of 10 is negative.

Example 2

Write the answer in standard form.

For a number smaller than 1, the power of 10 is negative.

Your turn

Question 1

Write the answer in standard form.

Check answer
For a number smaller than 1, the power of 10 is negative.
Question 2

Write the answer in standard form.

Check answer
For a number smaller than 1, the power of 10 is negative.
Question 3

Write the answer in standard form.

Check answer
For a number smaller than 1, the power of 10 is negative.
Question 4

Write the answer in standard form.

Check answer
For a number smaller than 1, the power of 10 is negative.
Question 5

Write the answer in standard form.

Check answer
For a number smaller than 1, the power of 10 is negative.