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by BlastRoom
Use factors to decide whether numbers from 1 to 100 are prime or composite.
#prime_numbers#us_grade_4_math
40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
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The class blasts through walls together.
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More correct answers pulls the rope your way.
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Answer, then tap to leap the frozen ridge.
Which number is composite: 57, 43, 37, or 29?
Which number is prime: 51, 91, 87, or 71?
Is 29 prime or composite? 29 is a ___ number.
The number 1 has only one factor, itself. Is 1 prime, composite, or neither?
2 is the only even prime number.
The number 15 can be divided evenly by 3 and by 5. Is 15 prime or composite? 15 is a ___ number.
How many prime numbers are there between 10 and 20?
Kim says 91 is prime because it is odd. Is Kim right?
The number 63 can be written as 7 x 9. What does that show about 63?
A number has exactly three factors: 1, 3, and itself. What is the number?
Which number is prime?
Which number is composite?
The number 39 is a prime number.
Is 16 prime or composite?
Which number has exactly two factors?
Which list shows all the factors of 18?
Which list contains only prime numbers?
Which list contains only composite numbers?
The number 31 is prime.
The number 35 is prime.
Which number is neither prime nor composite?
Which factor pair proves that 27 is composite?
Which number is prime?
All even numbers are composite.
Which even number is prime?
Which number is composite?
A composite number must have more than two factors.
Which number is prime?
Which number is composite because it is divisible by 5?
Which statement is true about 9?
Which number has factors 1, 2, 5, and 10?
The number 17 is composite.
Which factor pair shows that 56 is composite?
Which number is prime?
What is the smallest composite number?
Which number is composite?
Which number is prime?
A number ending in 0 is composite if it is greater than 10.
Which number is NOT composite?
Which choice correctly classifies 64?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
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Same question on every screen. Fastest wins.
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40 questions
