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Commutative Property of Addition 2+3 = 3+2

Commutative Property of Addition 2+3 = 3+2 *This property states you can add two numbers in any order!. Associative Property of Addition (3+2)+8 = 3+(2+8) You can change the grouping of the numbers you add!. Identity Property of Addition 4 + 0 = 4

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Commutative Property of Addition 2+3 = 3+2

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  1. Commutative Property of Addition 2+3 = 3+2 *This property states you can add two numbers in any order!

  2. Associative Property of Addition (3+2)+8 = 3+(2+8) You can change the grouping of the numbers you add!

  3. Identity Property of Addition 4 + 0 = 4 This property states that the sum of any number and zero is the same number!

  4. Sum – the answer to an addition (+) problem!Difference – the answer to a subtraction (-) problem!

  5. Estimate • To make a good guess by rounding.

  6. Inverse Operations • Math operations that are the opposite of each other. For example: addition and subtraction. 4+3=7 and 7-3=4

  7. Key Words in Word Problems • In all, altogether, or combined – these words tell you to add. • How many more or how much more – these words tell you to subtract!

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