2SIX3 LEARNING • YEAR 9 MATHEMATICS
Powers, Roots & Laws of Indices Assessment
A full assessment covering powers, roots, fractional indices,
core laws of indices and mixed multi-step problems.
Questions
40
Suggested Time
50 min
Secure
80%+
Developing
60–79%
Instructions:
Answer all 40 questions. Simplify algebraic answers fully.
Where a negative index appears, rewrite it using positive indices
unless the question says otherwise. Work carefully: some questions
require two or more laws of indices.
Submit Assessment
Assessment Result
Score
0/40
Percentage
0%
Status
—
{
“instructions”: “Answer all 40 questions. Simplify algebraic answers fully. Where an answer contains a negative index, rewrite it using positive indices unless the question says otherwise. Work carefully: later questions may require two or more laws of indices.”,
“sections”: [
{
“title”: “A. Powers and Roots”,
“questions”: [
{
“type”: “short_answer”,
“prompt”: “Calculate 4².”,
“answers”: [“16”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Calculate 5³.”,
“answers”: [“125”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Calculate 3⁴.”,
“answers”: [“81”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Calculate 2⁵.”,
“answers”: [“32”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Calculate 2⁶.”,
“answers”: [“64”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Calculate 2⁷.”,
“answers”: [“128”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Find √81.”,
“answers”: [“9”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Find ∛125.”,
“answers”: [“5”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Find the fourth root of 81.”,
“answers”: [“3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Find the fifth root of 32.”,
“answers”: [“2”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Find the sixth root of 64.”,
“answers”: [“2”],
“marks”: 1
}
]
},
{
“title”: “B. Fractional Indices”,
“questions”: [
{
“type”: “short_answer”,
“prompt”: “Evaluate 64^(1/3).”,
“answers”: [“4”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Evaluate 81^(1/4).”,
“answers”: [“3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Evaluate 32^(1/5).”,
“answers”: [“2”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Evaluate 64^(1/6).”,
“answers”: [“2”],
“marks”: 1
},
{
“type”: “multiple_choice”,
“prompt”: “Which expression is equivalent to a^(1/3)?”,
“options”: [“√a”, “∛a”, “a³”, “1/a³”],
“answer”: “∛a”,
“marks”: 1
}
]
},
{
“title”: “C. Core Laws of Indices”,
“questions”: [
{
“type”: “short_answer”,
“prompt”: “Simplify p³ × p⁵.”,
“answers”: [“p^8”, “p8”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify q⁹ ÷ q⁴.”,
“answers”: [“q^5”, “q5”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (x³)⁴.”,
“answers”: [“x^12”, “x12”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify m⁰.”,
“answers”: [“1”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify r¹.”,
“answers”: [“r”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Write x^(-3) using positive indices.”,
“answers”: [“1/x^3”, “1/x3”],
“marks”: 1
},
{
“type”: “true_false”,
“prompt”: “When multiplying powers with the same base, the indices are added.”,
“answer”: true,
“marks”: 1
},
{
“type”: “true_false”,
“prompt”: “When dividing powers with the same base, the indices are multiplied.”,
“answer”: false,
“marks”: 1
}
]
},
{
“title”: “D. Mixed Laws of Indices”,
“questions”: [
{
“type”: “short_answer”,
“prompt”: “Simplify p³ × p⁵ ÷ p².”,
“answers”: [“p^6”, “p6”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify q⁷ ÷ q² × q³.”,
“answers”: [“q^8”, “q8”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (x³)² × x⁴.”,
“answers”: [“x^10”, “x10”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (a⁴)³ ÷ a⁵.”,
“answers”: [“a^7”, “a7”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify p⁵ × p^(-2).”,
“answers”: [“p^3”, “p3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify q² ÷ q⁵ using positive indices.”,
“answers”: [“1/q^3”, “1/q3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (x^(-2))³ using positive indices.”,
“answers”: [“1/x^6”, “1/x6”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (p²q³)(p⁴q²).”,
“answers”: [“p^6q^5”, “p6q5”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify p⁷q⁵ ÷ p³q².”,
“answers”: [“p^4q^3”, “p4q3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (p²q³)².”,
“answers”: [“p^4q^6”, “p4q6”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (x³y²)(x^(-1)y⁴).”,
“answers”: [“x^2y^6”, “x2y6”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify x²y⁵ ÷ x⁴y² using positive indices.”,
“answers”: [“y^3/x^2”, “y3/x2”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (a³b²)² ÷ a⁴b.”,
“answers”: [“a^2b^3”, “a2b3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (p²q^(-1))³ using positive indices.”,
“answers”: [“p^6/q^3”, “p6/q3”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (x²y³)³ ÷ x⁴y⁵.”,
“answers”: [“x^2y^4”, “x2y4”],
“marks”: 1
},
{
“type”: “short_answer”,
“prompt”: “Simplify (p³)² × p⁴ ÷ p⁵.”,
“answers”: [“p^5”, “p5”],
“marks”: 1
}
]
}
]
}