What is the result of an addition called?
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Sum
3 + 4 = 7: the 7 is the sum.
💡 Did you know? The plus sign stands for addition.
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What is the result of a subtraction called?
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Difference
9 − 4 = 5: the 5 is the difference.
💡 Did you know? The minus sign stands for subtraction.
What is the result of a multiplication called?
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Product
3 × 4 = 12: the 12 is the product.
💡 Did you know? The factors are multiplied together.
What is the result of a division called?
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Quotient
12 ÷ 4 = 3: the 3 is the quotient.
💡 Did you know? You may not divide by zero.
What is the number above the fraction bar called?
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Numerator
In ¾ the 3 is the numerator.
💡 Did you know? It says how many parts are meant.
What is the number below the fraction bar called?
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Denominator
In ¾ the 4 is the denominator.
💡 Did you know? It says into how many parts it is divided.
What is the small raised number in a power called?
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Exponent
In 2³ the 3 is the exponent.
💡 Did you know? It says how often the base is multiplied by itself.
What is the inverse of squaring called?
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Root
√9 = 3, because 3 × 3 = 9.
💡 Did you know? The root sign looks like a check mark.
What do we call integers greater than 1 with exactly two divisors?
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Prime number
2, 3, 5, 7, 11 … are primes.
💡 Did you know? 2 is the only even prime.
What is a number divisible by 2 without remainder called?
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Even number
2, 4, 6, 8 … are even.
💡 Did you know? Odd numbers leave a remainder of 1.
What is the value you get by adding all numbers and dividing by their count?
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Average
Of 2, 4, 6 the average is 4.
💡 Did you know? The median is the middle value instead.
What is a proportion expressed in hundredths called?
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Percent
50% is one half.
💡 Did you know? “Per cent” means “per hundred”.
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