MATH DICTIONARY.

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Presentation transcript:

MATH DICTIONARY

Table of Contents Page Number Vocabulary Word 1. Absolute Value 2. Additive Inverse 3. Integers

Formal Definition Facts/ Characteristics Vocabulary Word here Examples Non-Examples

Can go either left or right on the number line Formal Definition Facts/ Characteristics Always Positive Can go either left or right on the number line A numbers distance from 0 on the number line. Absolute Value Examples Non-Examples 𝟒 =𝟒 −𝟒 =𝟒 4 is 4 units right of 0. -4 is 4 units left of 0. At 8 am the temperature was 65. By noon, the temperature changed 8 degrees. The new temperature is either 73 or 57. 𝟒 =−𝟒 At 8 am the temperature was 65 degrees. By noon the temperature changed 8 degrees. It is now 73 degrees. -8 8

Two numbers who’s sum equals zero Formal Definition Facts/ Characteristics Adding Opposite numbers One of the numbers is positive the other is negative. Have the same absolute value Two numbers who’s sum equals zero Additive Inverse Examples Non-Examples −𝟓 +𝟓=𝟎 𝟏𝟎+ −𝟏𝟎 =𝟎 −𝟔 + −𝟔 0+𝟖 −𝟗+𝟎

Formal Definition Facts/ Characteristics Counting numbers but it includes negatives too! Can be negative or positive Whole numbers and their opposites Integer Examples Non-Examples 𝟑 𝟒 𝒂𝒏𝒅 − 𝟑 𝟒 -0 -7.5 and 7.5 𝟏 𝟐 , −𝟓.𝟓, 𝟑 𝟐 , − 𝟐 𝟑 , 𝟔.𝟐 6 and -6 -20 and 20 -4, -1, 45, -293, 0