Year 10 Scientific Notation Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 10 indices & scientific notation worksheet.
Year 10 Scientific Notation Worksheet — Level 1 — Answers
Scientific notation is a × 10ⁿ where 1 ≤ a < 10.
1.Write 6.2 × 103 as an ordinary number.
Answer: 6,200
2.Write 590,000 in scientific notation.
Answer: 5.9 × 105
Move the decimal point 5 places.
3.Write 7.6 × 104 as an ordinary number.
Answer: 76,000
4.Write 2.3 × 106 as an ordinary number.
Answer: 2,300,000
5.Write 4.3 × 104 as an ordinary number.
Answer: 43,000
6.Write 790 in scientific notation.
Answer: 7.9 × 102
Move the decimal point 2 places.
7.Write 2.2 × 104 as an ordinary number.
Answer: 22,000
8.Write 1,800 in scientific notation.
Answer: 1.8 × 103
Move the decimal point 3 places.
9.Write 9.1 × 105 as an ordinary number.
Answer: 910,000
10.Write 2.2 × 105 as an ordinary number.
Answer: 220,000
11.Write 17,000 in scientific notation.
Answer: 1.7 × 104
Move the decimal point 4 places.
12.Write 6,500 in scientific notation.
Answer: 6.5 × 103
Move the decimal point 3 places.
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.