Exponents
Grades 5 to 8 (Years 5 to 9 in England) · 16 questions · Common Core: 6.EE.A.1, 8.EE.A.1 · England: KS3 Number, GCSE Foundation Number, Y6 Number – multiplication and division
Name
Date
Score/ 16
Question 1
Write 2 × 2 × 2 × 2 × 2 × 2 × 2 as a power (for example 4^3).
Answer
Question 2
Evaluate 6⁴.
Answer
Question 3
Kwame says 2⁵ = 10. What mistake did Kwame make, and what is the correct value?
Answer
Question 4
8² − 3³ = ?
Answer
Question 5
7⁵ × 7⁹ = 7ⁿ. What is n?
Answer
Question 6
Write 4³ as a power of 2. What is the exponent?
Answer
Question 7
A square patio has an area of 9 m². How long is each side?
Answer
Question 8
In 8⁸, what is the exponent?
Answer
Question 9
Evaluate 3³ + 9 × 2.
Answer
Question 10
(2⁶)³ = 2ᵏ. What is k?
Answer
Question 11
7⁸ ÷ 7² = 7ᵏ. What is k?
Answer
Question 12
Simplify 24x¹¹ ÷ 6x⁵.
- A. 4x¹⁶
- B. 18x⁶
- C. 4x²
- D. 4x⁶
Question 13
Kwame says 2² × 2³ = 4⁵. Work out the correct value of 2² × 2³ as a number.
Answer
Question 14
Simplify (5x⁵)².
- A. 5x¹⁰
- B. 10x¹⁰
- C. 25x⁷
- D. 25x¹⁰
Question 15
Simplify 2x⁶ × 6x².
- A. 8x⁸
- B. 12x⁸
- C. 8x¹²
- D. 12x¹²
Question 16
Work out 2⁶ ÷ 2⁵ as a number.
Answer
Write your answers right on the page. · Free from eurekami.com