FCAT Math Terms

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# FCAT Math Terms - PowerPoint PPT Presentation

FCAT Math Terms. Word Bank 1. Acute Angle. An angle with a measure of less than 90 degrees. Angle. The shape made by two rays extending from a common end point, the vertex. Ray. Angle. Vertex. Ray. Area. The inside region of a two-dimensional figure measured in square units. Length.

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### FCAT Math Terms

Word Bank 1

Acute Angle
• An angle with a measure of less than 90 degrees.
Angle
• The shape made by two rays extending from a common end point, the vertex.

Ray

Angle

Vertex

Ray

Area
• The inside region of a two-dimensional figure measured in square units.

Length

Width

Area= Length X Width

Base
• The line or plane upon which a figure is thought of as resting.

Base

Capacity
• The amount of space that can be filled (usually refers to fluids).
Congruent
• Figures or objects that are the same shape and the same size.

=

Composite
• A whole number that has more than two factors.

6

1

6

2

3

Decimal Number
• Any number written with a decimal point in the number.

5.8

8.02

9,128.1

12.003

Equation
• A mathematical sentence that equates one expression to another expression.

3X+2=9X

Expression

Expression

Equivalent forms of a Number
• The same number expressed in different forms.

3/4 is the same as 0.75 is the same as 75%

Estimation
• The use of rounding and/or other strategies to determine a reasonably accurate approximation, without calculating an exact answer.

»

Factor
• A number or expression that divides exactly another number.

6

1

6

2

3

Flip
• A transformation that produces the mirror image of a geometric figure. Also called a Reflection.
Fraction
• Any part of a whole.

9/10

3/5

8/15

Grid
• A network of evenly spaced, parallel horizontal, and vertical lines.
Inequality
• A sentence that states one expression is greater than, greater than or equal to, less than, less than or equal to another expression.

8>7

5<3

Length
• A one-dimensional measure that is the measurable property on line segments.

18 cm

9 cm

Mean
• The arithmetic average of a set of numbers.

3, 6, 9, 11, 22

Mean = 10

Median
• The middle point of a set of ordered numbers where half of the numbers are above and half are below it.

3, 6, 9, 11, 22

Median=9

Mode
• The score or data point found most often in a set of numbers.

3, 6, 6, 9, 11, 22

Mode = 6