SampleABC Math Vocabulary

Words/VisualComputer/Math

LEARN Look up the definition (at least 2 different websites/book and write your own definition and type it into the text box. Make sure YOU understand the meaning of the word. Find/create a visual for the word, that demonstrates your understanding of the math vocabulary word.

Area

The number of square units that cover a

shape or figure.

Count the little one-inch squares and find the total

area.

Is it the same as multiplying the width of the rectangle by the height?

Absolute Value

The distance of a number from zero on a number line

|-4|        The absolute value of -4 is 4.

|+4|        The absolute value of +4 is 4.

Try it!

bar graph

A graph that uses horizontal or vertical bars to display countable data

Coordinate PlaneFormed by a horizontal number line called the x-axis

and a vertical number line, called the y=axis. The two axes intersect at a point called the origin.

Congruent

Having the same size and shape

decimalA number with one or

more digits to the right of the decimal point.

Decimal numbers are like fractions because they count PART of something. 

Distributive Property

Multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products.

Let’s try this with numbers….

Is the same as

Is the same as

Is the same as

diagonalA straight line inside a shape that goes from

one corner to another (but not an edge).So, if you join two vertices of a polygon which are not already joined by an edge, you get a diagonal.

Having the same value

Fractions that name the same amount

Equivalent fractionsor equivalent