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Classify numbers as rational or irrational

8th grade (Year 9 in England) · 16 questions · Common Core: 8.NS.A.1 · England: KS3 Number, GCSE Foundation Number

Name

Date

Score/ 16

1
Question 1
Which number is irrational?
- A. −5
- B. π
- C. √16
- D. 3/7
2
Question 2
Is √78 rational or irrational?
- A. Rational
- B. Irrational
3
Question 3
Is 3/7 rational or irrational?
- A. Rational
- B. Irrational
4
Question 4
Which number is irrational?
- A. 0.25
- B. −5
- C. √0.09
- D. √2
5
Question 5
Is √76 rational or irrational?
- A. Rational
- B. Irrational
6
Question 6
Is 0.333… rational or irrational?
- A. Rational
- B. Irrational
7
Question 7
Which number is irrational?
- A. 3/7
- B. √16
- C. √2
- D. 0.25
8
Question 8
Is √13 rational or irrational?
- A. Rational
- B. Irrational
9
Question 9
Is √16 rational or irrational?
- A. Rational
- B. Irrational
10
Question 10
Which number is irrational?
- A. √10
- B. 0.333…
- C. 3/7
- D. √16
11
Question 11
Is √18 rational or irrational?
- A. Rational
- B. Irrational
12
Question 12
Is √2 rational or irrational?
- A. Rational
- B. Irrational
13
Question 13
Which number is irrational?
- A. ∛27
- B. ∛5
- C. √16
- D. 3/7
14
Question 14
Is √61 rational or irrational?
- A. Rational
- B. Irrational
15
Question 15
Is 1.010010001… rational or irrational?
- A. Rational
- B. Irrational
16
Question 16
Which number is irrational?
- A. ∛27
- B. 0.333…
- C. √2
- D. 0.25

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