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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.

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fcat math terms

FCAT Math Terms

Word Bank 1

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

Ray

Angle

Vertex

Ray

slide4
Area
  • The inside region of a two-dimensional figure measured in square units.

Length

Width

Area= Length X Width

slide5
Base
  • The line or plane upon which a figure is thought of as resting.

Base

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

=

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

6

1

6

2

3

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

5.8

8.02

9,128.1

12.003

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

3X+2=9X

Expression

Expression

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

»

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

6

1

6

2

3

slide14
Flip
  • A transformation that produces the mirror image of a geometric figure. Also called a Reflection.
fraction
Fraction
  • Any part of a whole.

9/10

3/5

8/15

slide16
Grid
  • A network of evenly spaced, parallel horizontal, and vertical lines.
inequality
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
Length
  • A one-dimensional measure that is the measurable property on line segments.

18 cm

9 cm

slide19
Mean
  • The arithmetic average of a set of numbers.

3, 6, 9, 11, 22

Mean = 10

median
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

slide21
Mode
  • The score or data point found most often in a set of numbers.

3, 6, 6, 9, 11, 22

Mode = 6

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