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Math Vocabulary 4th grade

Terms in this set (48)

Sum
The result of adding two or more digits together
Difference
The amount that remains after one quantity is subtracted from another quantity
Division
The operation of making equal groups or equal shares. 15 divided by 3 = 5
Round
Used to shorten numbers by either increasing or decreasing a number based on the bossy number. Five or more raise the score. Four or less let it rest
Less Than
( <) is a symbol used to compare two numbers, with the lesser number given first. For example: 5 < 9 means 5 is less than 9.
Greater Than
(>) is symbol used to compare two numbers, with the greater number given first. For example: +9 > -6 means +9 is greater than -6.
Equal To
Being the same in quantity, size, degree, or value.
Related Facts of Addition and Subtraction
Addition and/or subtraction number sentences that are alike in some way. For Example: 3+2=5 and 5-2=3. These number sentences are related because they both have 3,2, and 5 in them.
Related Facts of Multiplication and Divison
Multiplicaton and/ or subtraction number sentences that are alike in some way. For Example: 4x3=12 and 3x4=12. These number sentences are related because they both have 3,4, and 12 in them.
Number Sentence Equation
A group of numbers that includes a mathematical operation -- think of addition, subtraction, multiplication, or division -
Place Value
The value of where the digit is in the number. Example: In 352, the 5 is in the "tens" position, so it shows a value of 50.
Addition
Finding the total, or sum, by combining two or more numbers.
Communicative Property
Numbers can be added or multiplied in any order. That is: Commutative Property of Addition and multiplication it states that changing the order of addends does not change the sum or product.
Identity Property of Addition
Any number added to 0 remain the same number. It keeps its identity. 8+0=8
Identity Property of Multiplication
Any number multiplied by 1 remains the same. It keeps its identity 8x1=8.
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