Free · Class 7–8 · 4 worksheets · answer keys · practise online · set 3
Exponents and powers worksheets — Class 7 and 8
Free exponents and powers worksheets for Class 7 and 8: find the value, expand, write as a power, and the laws of exponents — with answers.
💡 Learn it first
2⁵ means 2 × 2 × 2 × 2 × 2 = 32. 2 is the base , 5 the exponent (power). Laws : aᵐ × aⁿ = aᵐ⁺ⁿ; aᵐ ÷ aⁿ = aᵐ⁻ⁿ; (aᵐ)ⁿ = aᵐⁿ; a⁰ = 1.To write 81 as a power of 3, keep dividing: 81 → 27 → 9 → 3 → 1 (4 times) → 3⁴.
Find the value (Class 7) Expand (Class 7) Write as a power (Class 7) Laws of exponents (Class 7–8)
Find the value Class 7 · Worksheet 1 · set 3
Name: Date: Score: / 12
Find the value.
2⁴ = 3⁶ = 6³ = 10³ = 5² = 9³ = 7³ = 2⁶ = 10² = 4³ = 8³ = 4⁴ =
✅ Answer key — Find the value
16 729 216 1000 25 729 343 64 100 64 512 256 TalentJR · talentjr.in/exponents-and-powers-worksheet
🖨️ Print / save as PDF
✅ Show answers
▶️ Practise online
Expand Class 7 · Worksheet 2 · set 3
Name: Date: Score: / 8
Expand and find the value.
Expand and find the value: 2⁵ Expand and find the value: 2³ Expand and find the value: 4² Expand and find the value: 2⁴ Expand and find the value: 5⁴ Expand and find the value: 6⁵ Expand and find the value: 4⁴ Expand and find the value: 3⁵
✅ Answer key — Expand
2 × 2 × 2 × 2 × 2 = 32 2 × 2 × 2 = 8 4 × 4 = 16 2 × 2 × 2 × 2 = 16 5 × 5 × 5 × 5 = 625 6 × 6 × 6 × 6 × 6 = 7776 4 × 4 × 4 × 4 = 256 3 × 3 × 3 × 3 × 3 = 243 TalentJR · talentjr.in/exponents-and-powers-worksheet
🖨️ Print / save as PDF
✅ Show answers
▶️ Practise online
Write as a power Class 7 · Worksheet 3 · set 3
Name: Date: Score: / 10
Write as a power.
Write 64 as a power of 2. Write 2401 as a power of 7. Write 216 as a power of 6. Write 125 as a power of 5. Write 343 as a power of 7. Write 256 as a power of 4. Write 49 as a power of 7. Write 625 as a power of 5. Write 25 as a power of 5. Write 81 as a power of 3.
✅ Answer key — Write as a power
2⁶ 7⁴ 6³ 5³ 7³ 4⁴ 7² 5⁴ 5² 3⁴ TalentJR · talentjr.in/exponents-and-powers-worksheet
🖨️ Print / save as PDF
✅ Show answers
▶️ Practise online
Laws of exponents Class 7–8 · Worksheet 4 · set 3
Name: Date: Score: / 12
Write each as a single power.
4⁴ × 4² 2⁷ × 2³ (9²)³ (8⁴)² 2⁸ ÷ 2⁶ (7⁵)³ (3⁷)² 2³ × 2⁶ (6⁶)³ 8⁴ × 8⁴ 2⁵ × 2³ 7³ ÷ 7²
✅ Answer key — Laws of exponents
4⁶ 2¹⁰ 9⁶ 8⁸ 2² 7¹⁵ 3¹⁴ 2⁹ 6¹⁸ 8⁸ 2⁸ 7¹ TalentJR · talentjr.in/exponents-and-powers-worksheet
🖨️ Print / save as PDF
✅ Show answers
▶️ Practise online
Questions
What is any number to the power 0? 1 — for example 5⁰ = 1, because 5³ ÷ 5³ = 5⁰ and also = 1.
Are these worksheets free? Yes — print them or save as PDF free. Every worksheet has an answer key.
How do I get different questions? Press “🔄 New set” — the questions change (maths numbers are new every time; English sentences are shuffled).
How do I print only one worksheet? Press “🖨️ Print” on that worksheet. Tick “with answer key” if you want the answers on a second page.
Can my child do this worksheet online, like a quiz? Yes — press “▶️ Practise online” on any worksheet. The questions come one at a time with instant marking, a score at the end and a review of mistakes. No sign-in is needed.
