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Math benchmark 1

TermDefinition
Associative property of addition when the grouping of 3 or more addends is changed, the total does not change.
Addend a number being added.
Regroup to put together or break apart ones, tens, or hundreds. For example, 10 ones can be regrouped as 1 ten, or 1 hundred can be regrouped as 10 tens.
Sum the result of addition.
Array a set of objects arranged in equal rows and equal columns.
Row the horizontal groups of objects in an array.
Column the vertical groups of objects in an array.
Estimate to give an approximate number or answer based on mathematical thinking.
Place value the value assigned to a digit based on its position in a number. For example, the 2 in 324 is in the tens place and has a value of 2 tens or 20.
Regroup to put together or break apart ones, tens, or hundreds. For example, 10 ones can be regrouped as 1 ten, or 1 hundred can be regrouped as 10 tens.
Round to find a number that is close in value to a given number by finding the nearest ten, hundred, or other place value.
Algorithm a set of routine steps used to solve problems.
Partial sum the sums you get in each step of the partial-sum strategy. For example, the partial sums for 124 + 234 are 100 + 200 or 300, 20 + 30 or 50, and 4 + 4 or 8.
Difference The result of subtraction
Equation a mathematical statement that uses an equal sign (=) to show that two expressions have the same value
Multiplication equation an equation with a multiplication symbol and an equal sign. For example 3x5=15
Multiplication an operation used to find the total number of items in a given number of equal-sized groups
Factor a number that is multiplied
Product The result of multiplication
Multiply to repeatedly add the same number a certain number of times, Used to find the total number of items in equal-sized groups
Expression one or more numbers, unknown numbers, and/or operation symbols that represents a quantity. For example, 3x4
Created by: kandrino
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