integers
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Integers | The whole numbers and their opposites form the set of integers
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| Opposites | Opposites are two integers the same distance from zero on a number line, but in opposite directions
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| Absolute Value | The absolute value of an integer is the distance from zero on a number line
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| = | is equal to
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| < | is less than
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| > | is greater than
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| Sum | answer in an addition problem
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| Difference | the answer in a subtraction problem
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| Product | the answer in a multiplication problem
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| Quotient | The answer in an division problem
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| Adding two integers with the same sign | Add the absolute values of the integers. The sum has the same sign as the addends
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| Adding two integers with different signs | Find the difference (of the absolute value of the addends). The sum has the sign of the integer with the greatest value.
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| Subtracting integers | Add its opposite
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| Multiplying integers with the same sign | Find the product and give it a positive sign
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| Multiplying integers with different signs | Find the product. The product of different signs is always negative
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| Dividing integers with same signs | The quotient of two integers with the same sign is positive
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| Dividing integers with different signs | The quotient of two integers with different signs is negative
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| What is the mean? | The mean is the average you see most ofter
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| Finding the mean | 1. Find the sum of the numbers 2. Divide the sum by the number of items
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| Variable | is a symbol (usually a letter) that stands for a number
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| Variable expression | is an expression (number sentence) that contains at least one variable
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| Grouping symbols | (Parentheses) [brackets] and Iabsolute valueI
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| Order of Operations | PEMDAS: Parenthesis, exponents,Multiply, Divide, Add. Subtract
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| From which direction do you work a problem | Left to Right, from the inside out
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| Factor | the numbers you are multiplying to get a product
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| Divisibility Test | short cuts for finding factors of whole numbers
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| A number is divisible by 2 if... | the last digit is an even number
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| A number is divisible by 3 if... | the digits add up to 3,6,or 9
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| A number is divisible by 5 if... | the last digit is 0 or 5
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| A number is divisible by 10 if ... | the last digit is 0
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| Prime number | a whole number greater than 1 that has only 1 and itself as factors
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| Composite number | A whole number greater than 1 that has at least one factor besides itself and 1
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| Prime Factorization | Every composite number can be expressed as a product of only prime numbers
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| Base number | a base number is a number used as a factor
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| Exponent | is the number of times the base number is used as a factor
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| Power | is a number that can be writted using an exponent
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| kristi | dewey
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Created by:
kdewey
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