An ABC Book of Math An ABC Book of Math Terms Terms
Transcript
An ABC Book of Math An ABC Book of Math TermsTerms
An ABC Book of Math An ABC Book of Math TermsTerms
By: Kelly McDerby
Published by: Rocky Press
September 11,2005
A• Acute angle- is an
angle less than 90°.
30°
B• Bar graph- a graph
using bars to show the data.
0
10
20
30
40
50
60
70
80
90
1stQtr
2ndQtr
3rdQtr
4thQtr
East
West
North
C• Complementary
angle- two angles equal 90°.
45°
45°
D• Diameter- the
distance between a circle.
E• Equilateral triangle-
all of the sides are equal on the triangle.
F• Frequency table-
shows number of data on the table
EVENTEVENT TALLYTALLY FREQ.FREQ.
Baseball llll llll 10
Hockey lll 3
Soccer llll ll 7
Football llll llll l 11
Volleyball llll 4
Most Popular Sports
G
• Graph- is the process of placing points on a line.
H
• Histogram- is like a bar graph but the bars are touching.
I
• Integer- the whole number and its opposite.
-1,0,1
J• Joule- if the
International System of Units (SI units) are used instead of U.S. customary units of work (ft lbs), work is expressed in N m. Each unit of work in N m is called a Joule. (J)
1J= .74 ft lbs
K • Kilogram- the base
unit of mass in the metric system equivalent 1,000 grams.
L
• Line graph- a graph using to show values change over time.
M
• Mode- the number 1,8,4,4,5,6,5,9,5
that appears more
than the other mode- 5
numbers.
N
• Negative integer- a number lower than zero.
-4,-3,-2,-1
O
• Obtuse angle- an angle larger than 90 degrees but less than 180 degrees. 120°
P
• Pentagon- a polygon with five sides.
Q
• Quadrilateral- a closed figure four sides and four angles.
R
• Right angle- an angle that is 90 degrees.
90°
S
• Straight angle- an angle that is 180 degrees. 180°
T
• Triangle- a polygon that has three sides and three angles
UU
• Upper extreme- the greatest number of a set of data.
1,3,8,6,10,4,4,1,3
Upper extreme=10
V
• Variable- place holder to represent an unspecified value
3 + 6a = 21
a = 3
W• Whole numbers-
numbers after zero 1,2,3,4,5,6,7,8,9,10
XX
• X-axis- the horizontal number line in a coordinate plane.