NCVPS Intro to Math Mod 1 Vocabulary

Front

whole

number

Back

A whole number is a number that is not  a fraction or a decimal but any ______ numbers and _____.

0, 1, 2 ……

Front

integer

Back

An integer is a _________ number.  So, all positive whole numbers and all negative whole numbers and zero are integers.

… -2, -1, 0, 1, 2 …

Front

neutral

Back

Neither positive or negative. Example: the number _________

Front

opposite

numbers

Back

Opposite numbers are two numbers that have the same absolute value but have opposite signs. When you add opposites, the _________ is 0.

Front

absolute value

Back

Absolute value describes the _________ of a number on the number line from 0 without considering which direction from zero the number lies. Since absolute value is a distance, its value will always be positive. Absolute value is denoted by two vertical bars around the number.

Front

number

line

Back

A number line is a line in which real numbers can be placed, according to their value.  Number lines can be horizontal or vertical.  The arrows on the ends of the number line indicate that it continues onward forever in both directions.

Front

inequality symbols

Back

Inequality symbols _________ two quantities.

1.    less than (<)

2.    greater than (>)

not equal to (≠)

Front

horizontal

Back

Means left to right.

Front

vertical

Back

Means up and down.