my first math dictionary
DESCRIPTION
ÂTRANSCRIPT
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additionTo combine and put together two or
more quantities.
analog clocka clock that shows the time by the positions the hour and minute hand.
addendany one of the two or more
numbers being added.
alikewhen two or more items have similar characteristics. Including same size,
quantity, or amount.
4 + 6 + 3 = 10
addends 3 + 3 = 6
+ =
characteristic of an object. includes color, shape, sides, size, weight etc.
a graph that uses rectangular bars to show and compare how large each quantity is.
bar modelmodel that uses bars to represent
known and unknown quantities
attribute bar graph
circlea closed shape with no vertices or sides
6 + 4 = 10
106?
• green • triangle • 4 equal sides • 4 90º angles
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to distinguish wether one quantity is larger, smaller or equal to the other number.
a point where the edges of a figure meet
count backa method used for subtraction
compare
corner
units of money that represent parts of a dollar
coins
corner
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the bottom number of a fraction that represents the number of parts the whole is divided into.
differencethe result when one number is subtracted from another.
digital clocka clock that uses digits only to show time.
dataa collection of information.
denominator
1 2
5 - 4 = 1
denominator
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the side of a polygon or line where two solid figures meet.
quantities that have the same amount.
equation
a number sentence with an equal sign. The amount on one side of the sign has the same value as the other side.
fact familya group of related facts that use the same numbers (also known as related facts).
edge equal
=
1 + 4 = 3 + 2
edge
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the smaller amount or quantity. fractions represent equal parts of a whole.
greater thangreater than is used to compare
two numbers when the first number is larger than the second
number.
half ofone of 2 equal parts.
fewer fraction
2 > 1
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a geometric line that runs from right to left across the page.
the point where two lines cross over.
lengthhow long something is. the distance from one place to another.
morethe greater quantity or amount.
horizontal intersect
intersection
this has more!
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a line diagram that represents numbers as points on a line.
a symbol used to represent a number.
numeratorthe number above the line of a fraction, showing number or parts of the whole,
objecta material thing that can be seen and
touched.
numeralnumber line
1 I 2 II 3 III 4 IV 5 V
6 VI 7 VII 8 VIII 9 VIIII 10 X
numerator
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a single unit or object. two lines on a plane that never meet.
place valuea graph that uses symbols to show data.
parallel
the value of a digit because of its place in the number.
ones
picture graph
6 ones
1 3
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one of the line segments that makes a flat, two-dimensional shape. a shape that is not flat; an object that
has three dimensions (height, length, width).
sortto organize groups according to shared
characteristics.
subtractto take away, remove, or compare quantities.
side solid shapes
one side
5 - 2 = 3
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My First Math
Dictionary
By: Michelle Grant
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