Applying Twin Primes in Problems

  • 5th Grade
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| Attempts: 14 | Questions: 20 | Updated: Dec 3, 2025
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1) Which of these numbers is part of a twin prime pair?

Explanation

A twin prime pair consists of two prime numbers that have a difference of two. In this case, 19 is prime and its twin prime is 17, making it part of a twin prime pair. The other numbers listed (15, 21, 25) are not prime.

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About This Quiz
Applying Twin Primes In Problems - Quiz

Ready to put your twin prime knowledge to work? In this quiz, you’ll solve problems using twin prime pairs, find missing partners, and even add or compare them to uncover neat number tricks. By the end, you’ll see how twin primes connect to the bigger world of factors, multiples, and... see moreprime patterns.
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2) What is the twin prime pair of 29?

Explanation

Both are primes differing by 2.

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3) Which twin prime pair is under 15?

Explanation

This is the only valid twin pair under 15.

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4) What is the sum of twin primes 17 and 19?

Explanation

17 + 19 = 36.

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5) Which is the smallest twin prime pair under 10?

Explanation

The first twin primes.

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6) Which number is not in a twin prime pair?

Explanation

23 has no twin since 21 and 25 are not prime.

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7) Which twin prime pair is greater than 90?

Explanation

Both are primes and above 90.

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8) Which number is part of a twin prime pair with 41?

Explanation

41 & 43 form a twin prime pair.

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9) Which pair shows twin primes correctly?

Explanation

Both primes differ by 2.

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10) Which twin prime pair straddles 30?

Explanation

They are just below and above 30.

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11) Which prime has no twin prime partner?

Explanation

2 cannot form a twin prime pair.

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12) Which twin prime pair is nearest to 60?

Explanation

They are the twin primes around 60.

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13) Which is the sum of twin primes 11 and 13?

Explanation

11 + 13 = 24.

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14) Which pair is not twin primes?

Explanation

49 is not prime.

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15) Which twin prime pair is between 70 and 75?

Explanation

Only valid twin primes in this range.

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16) Which of these primes is in a twin pair?

Explanation

47 pairs with 49 (but since 49 isn’t prime, careful—best choice from list is 59, which pairs with 61). Correct option is D) 59 actually.

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17) Which number is missing in the twin prime pair (41, __)?

Explanation

41 and 43 differ by 2 and are prime.

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18) Which twin prime set lies between 10 and 20?

Explanation

Valid twin primes in this range.

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19) Which prime pair is not twins?

Explanation

They differ by 6, not 2.

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20) Which rule describes twin primes best?

Explanation

This is the precise definition of twin primes.

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Which of these numbers is part of a twin prime pair?
What is the twin prime pair of 29?
Which twin prime pair is under 15?
What is the sum of twin primes 17 and 19?
Which is the smallest twin prime pair under 10?
Which number is not in a twin prime pair?
Which twin prime pair is greater than 90?
Which number is part of a twin prime pair with 41?
Which pair shows twin primes correctly?
Which twin prime pair straddles 30?
Which prime has no twin prime partner?
Which twin prime pair is nearest to 60?
Which is the sum of twin primes 11 and 13?
Which pair is not twin primes?
Which twin prime pair is between 70 and 75?
Which of these primes is in a twin pair?
Which number is missing in the twin prime pair (41, __)?
Which twin prime set lies between 10 and 20?
Which prime pair is not twins?
Which rule describes twin primes best?
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