Which number (other than 1) is a common factor of 14 and 35?
7
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25
Is this always, sometimes, or never a multiple of 4. Why?
Sometimes... when x=2, no as answer = 0
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20
What number is represented by the prime factor tree
27
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15
5 is a factor of both 10 and 15. Which other number is a common factor of 10 and 15?
1
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eraser
Reset score!
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shark
Other team loses 25 points!
Okay!
shark
Other team loses 5 points!
Okay!
baam
Lose 20 points!
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20
Use the factor tree to write 36 as a product of its prime factors. Give your answer in the form a à b à . . . and write the factors in ascending order.
2 Ã 2 Ã 3 Ã 3
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lifesaver
Give 20 points!
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shark
Other team loses 25 points!
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rocket
Go to first place!
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banana
Go to last place!
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20
What is the next number in this sequence?
25
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10
Which number is a prime number?
19
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20
Which student is wrong?
Chantelle
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15
Which of the following numbers is a multiple of both 6 and 9?