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Transcript of Click on the month. JanuaryFebruaryMarch. January...
Math word of the day
Click on the month.
January February March
Click on the date for the word of the day.
JanuarySunday Monday Tuesday
Wednesday
Thursday
Friday Saturday
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January 3
Word: Chord
Definition: A line segment whose ends are on a
circle▪ http://www.mathopenref.com/chord.html
January 4
Word: circumference
Definition: The distance around a circle▪ http://www.mathopenref.com/circumference.h
tml
January 5
Word: Composite number
Definition: A whole number having more than 2
factors▪ 12 Factor pairs (1,12) (2,6) (3,4)
January 6
Word: diameter
Definition: A line segment that has endpoints on a
circle and passes through the center of a circle.
January 7
Word: Expanded notation
Definition: A way to write numbers that shows the
value of each digit▪ 2,347 = 2,000+ 300 + 40 +7
January 10
Word: Greatest common factor (GCF)
Definition: The largest factor that 2 or more
numbers have in common.▪ http://www.math.com/school/subject1/lessons
/S1U3L2GL.html
January 11
Word: heptagon
Definition: A polygon with 7 sides.
January 12
Word: histogram
Definition: A bar graph in which the labels for the
bars are numerical intervals.
January 13
Word: hypotenuse
Definition: The longest side of a right triangle
January 14
Word: Least common Denominator (LCM)
Definition: The least common multiple of the
denominators in 2 or more fractions.▪ http://www.math.com/school/subject1/lessons
/S1U3L3GL.html
January 18
Word: Leg (of a right triangle)
Definition: Either of 2 sides that form the right
angle in a right triangle
January 19
Word: Line plot
Definition: A graph showing the frequency of data
on a number line.▪ http://www.icoachmath.com/SiteMap/Line_Plot
.html
January 20
Word: nonagon
Definition: A polygon with 9 sides
January 21
Word: plane
Definition: A flat surface that extends infinitely in all
directions.
January 24
Word: Prime number
Definition: A whole number that has exactly 2
factors: 1 and itself▪ 3 (1, 3), 5 (1,5), 7 (1,7) , 11 (1,11)
January 25
Word: quadrants
Definition: The four regions of a coordinate plane
that are separated by the axes.
January 26
Word: radius
Definition: A line segment that has 1 endpoint on a
circle and the other endpoint at the center of the circle.▪ http://www.mathopenref.com/radius.html
January 27
Word: range
Definition: The difference between the greatest
(maximum) and least (minimum) numbers in a set.▪ 3, 5, 9, 10▪ Maximum – 10▪ Minimum – 3▪ Range = 10-3= 7
January 28
Word: rate
Definition: A ratio that compares 2 quantities
having different units. ▪ 65 miles per hour
January 31
Word: ratio
Definition: A comparison of 2 numbers using
division▪ http://www.mathleague.com/help/ratio/ratio.h
tm