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# Unit 1 Number Sense

Algorithm A step-by-step solution to a problem.
Difference The amount left after one number is subtracted from another number.
Distributive Property The sum of two addends multiplied by a number is equal to the sum of the product of each addend and that number.
Dividend A number that is divided by another number.
Divisor A number by which another number is to be divided.
Factor Two or more integers that are multiplied to form a product..
Greatest Common Factor (GCF) The largest factor that two or more numbers have in common.
Least Common Multiple (LCM) The smallest multiple (other than zero) that two or more numbers have in common.
Measurement Model of Division When we know the original amount and the size or measure of ONE part, we use measurement division to find the number of parts. Ex: 20 is how many groups of 4?
Minuend The number that is to be subtracted from.
Multiple The product of a given whole number and an integer.
Quotient A number that is the result of division.
Partitive Model of Division: When we know the original amount and the number of parts, we use partitive division to find the size of each part. Ex: 20 is 4 groups of what unit? “How many in each group?”
Reciprocal Two numbers whose product is 1. The reciprocal of a fraction can be found by inverting that fraction (switching the denominator and numerator).
Sum The number you get by adding two or more numbers together
Subtrahend The number that is to be subtracted.
Product A number that is the result of multiplication.
Created by: nzaboroskie

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