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by BlastRoom
Decide whether whole numbers are prime, composite, or neither by checking their factors.
#prime_and_composite_numbers#us_grade_5_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.
Answer to earn energy, then climb.
The class blasts through walls together.
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Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Is 17 prime or composite?
Is 51 prime or composite?
Is 1 prime, composite, or neither?
Is 2 prime or composite?
Is 91 prime or composite?
Is 29 prime or composite?
Is 57 prime or composite?
Is 41 prime or composite?
Is 49 prime or composite?
Is 97 prime or composite?
Is 87 prime or composite?
Is 63 prime or composite?
There are 23 students in a class. Is the number 23 prime or composite?
A gardener plants 36 seeds. Is the number 36 prime or composite?
Is 39 prime or composite?
Is 79 prime or composite?
Is 25 prime or composite?
A clerk stacks 12 cans in 3 equal rows of 4 cans. What does that arrangement show about 12?
Only one of 5, 7, 9, and 11 is composite. Which number is it?
Only one of 11, 13, 15, and 19 is composite. Which number is it?
Only one of 21, 27, 31, and 33 is prime. Which number is it?
Only one of 43, 47, 53, and 55 is composite. Which number is it?
Only one of 33, 45, 69, and 59 is prime. Which number is it?
Only one of 61, 67, 71, and 77 is composite. Which number is it?
Only one of 81, 85, 93, and 89 is prime. Which number is it?
Only one of 16, 19, 25, and 21 has exactly two factors. Which number is it?
Only one of 7, 11, 34, and 31 has more than two factors. Which number is it?
Only one of 26, 33, 37, and 39 is prime. Which number is it?
How many factors does a prime number have?
What is the smallest composite number?
Why is 1 neither prime nor composite?
Why is 2 a prime number even though it is even?
Which list shows all the factors of 24?
Which list shows all the factors of 18?
Which factor pair proves that 35 is composite?
Ana says 9 is prime because it is an odd number. Why is she wrong?
Are all odd numbers prime?
Every even number greater than 2 is composite.
Every composite number is an even number.
The number 2 is the only even prime number.
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Answer, then swat bugs for bonus points.
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Adding and Subtracting Fractions with Unlike Denominators
40 questions
