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How do you find the missing number from a fraction?
For Example 4/8 and 8/_: Multiply 8 and 8 (8*8=64) Divide 64 in 4 (64 divide by 4 = 16) 16 is your answer
Why do all square numbers have an odd number of factors?
Because if you think about it, a square number has two factors that are the same. For example, look at the number 16. Its factors are 1, 2, 4, 8, and 16. 1 and 16 go together, 2 and 8 go together, and then 4 gets paired up with another 4.
What number is a factor of 16 but not a multiple of 8?
4
What is the difference between dividing 16 by 2 and finding the square roots of 16?
The answer to the division is a number (8) that can be added to itself to make 16. The answer to the square root is a number (-4 or +4) that can be multiplied by itself to make 16.
What is one half plus one fourth plus one eight plus one sixteenth?
1/2 + 1/4 + 1/8 + 1/16 We need to multiply those so all the denominators (bottom numbers) are the same (16). 1/2 * 8/8 + 1/4 * 4/4 + 1/8 * 2/2 + 1/16 8/16 + 4/16 + 2/16 + 1/16 Now we add the numerators and keep the same denominator. 12/16 + 3/16 = 15/16
