Lesson N8
N8 Exact calculation with fractions, multiples of pi and surds Quiz: AQA Maths, Unit 1
20 questions
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Lesson N8, Exact calculation with fractions, multiples of pi and surds: 20 multiple choice questions for the AQA GCSE Maths (8300), Unit 1: Number, written with Revision Ninja.
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The 20 questions
-
Write 2π + 3π in its simplest form.
- 5π
- 3π
- 6π²
- 5π²
-
Simplify √12.
- 4√3
- 2√3
- √6
- 3√2
-
Simplify √8 × √2.
- 2√2
- √10
- 4
- 16
-
Write 1/√2 with a rational denominator.
- 2√2
- 1/2
- √2/2
- √2
-
Calculate 2/3 + 1/4 exactly.
- 3/12
- 5/12
- 11/12
- 3/7
-
Calculate 3/4 of 12π.
- 36π
- 9π
- 8π
- 4π
-
Calculate (√5)² exactly.
- 10
- √10
- 5
- 25
-
Calculate (2 + √3)(2 - √3) exactly.
- 4 + 2√3
- 7
- 1
- 4√3
-
Rationalise the denominator of 5/√3.
- 5/3
- 5√3/3
- 5√3
- √15/3
-
A circle has radius 3 cm. What is its exact area?
- 9π cm²
- 18π cm²
- 6π cm²
- 3π cm²
-
Simplify 2√5 + 3√5 - √5.
- 4√5
- 5√5
- 6√5
- 4√15
-
Write 0.75 as a fraction in its simplest form.
- 3/5
- 5/4
- 7/5
- 3/4
-
Calculate 5/6 × 3/10 in its simplest form.
- 3/5
- 1/4
- 1/2
- 1/3
-
Simplify √75.
- 3√5
- 5√3
- 5√15
- 25√3
-
Calculate √18 + √8 exactly.
- 10
- √26
- 5√2
- 5√26
-
Find the exact value of half of 6π plus one third of 9π.
- 9π
- 6π²
- 5π
- 6π
-
Calculate √7 × (√7 + 1) exactly.
- 7 + √7
- 7√7
- 14
- 8√7
-
Calculate (1/2) × (2/3) × (3/4) in its simplest form.
- 1/4
- 1/2
- 2/3
- 3/4
-
A rectangle has sides 2√3 cm and √3 cm. What is its exact area?
- 6 cm²
- 6√3 cm²
- 2√3 cm²
- 3√3 cm²
-
Calculate 1 1/2 ÷ 3/4 exactly.
- 4/9
- 2
- 1/2
- 9/8
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