Guess- A calculation of a close, rather than exact, answer; a “ballpark” answer; a number close to another number.
Equal to
Even number
Exploration
To check out or investigate
Ff
Face
Flat surface on a 3-D figure. Any 2-D surface within the 3-D shape are the faces. Some special faces on a 3-D shape are called bases.
Fact family
Fact Power
Automatic recall of basic facts
Fact triangle
Fahrenheit
The letter F stands for Fahrenheit. The ° stands for degrees. °F is read degrees fahrenheit
Feet/Foot (Standard foot)- Ft.
A U.S. Customary unit of length equivalent to 12 inches or 1/3 of a yard. Feet is more than one foot.
Flat
Flat is equal to 100 cubes or 10 longs
Fourths
Fraction
Function Machine
Gg
Geoboard
Hh
Half-past (the hour)
Halves
Hand/Hand Span
The distance from the tip of the thumb to the tip of the little finger, when the hand is stretched as far as possible.
Hexagon
A six-sided 2-D shape
Hour hand
Hundreds
Hundreds Place
Ii
inch - in.
A U.S. customary unit of length equal to 1/12 of a foot.
Is less than
3 < 5 or 3 is less than 5
Is more than
8 > 4 8 is more than 4 8 is greater than 4
Jj
Kk
Ll
Length
The measurement of something from end to end.
Line plot
Longs
10 cubes equals 1 long
10 longs equals 1 flat
Mm
Math Boxes
Math Message
Introductory activity to the day's lesson. Messages may include problems to solve, directions to follow, sentence to complete or correct, review exercises, or reading assignment.
Measure
Metric system
Middle value or median
Midnight
12:00 am is midnight. (This is the middle of the night when you are sleeping.)
Minus
Minute hand
Multiple of 10
Multiple of ten can also be known as count by 10
My Reference Book
Nn
Name collection box
Near Doubles
Negative number
Nickel
5 cents $0.05 5¢ 20 nickels = 1 dollar
Noon
12:00 pm (just about lunch time) is noon.
Number grid
Number Line
Number model
A number sentence that shows how the parts of a number story are related.
Number Story
Oo
Odd number
Ones
Ones Place
Pp
Pan balance
Pattern
Pattern Blocks
Pattern Block Template
Penny
one cent $0.01 1¢ 100 pennies = 1 dollar
Plus
P.M.
Most of the time known as the afternoon or evening. It is from 12:00 p.m. (Noon) until Midnight.
Polygon
A polygon has 3 or more sides, all lines connect, lines do not cross. The circle is not a polygon because it has curved sides.
Pyramid
A 3-D shape. A pyramid can have various bases, triangle, square, rectangle, hexagon, etc. but only having one vertex. A triangular base would be called a triangular pyramid. The picture above has a square base, (you can tell by the four triangular faces) so it is called a square pyramid.
Qq
Quarter
25 cents 25¢ $0.25 4 quarters = 1 dollar
Quarter after Quarter past (the hour) Quarter before Quarter to (the hour) O'clock (hour of the clock) Half past (the hour)
Rr
Range
Maximum - Minimum = Range 42 - 1 = 41
Rectangle
A 2-D shape. A parallelogram with all right angles- red sides are parallel, green sides are parallel. A quadrilateral-four sided polygon.
Rectangular Prism
3-D shape. Top and bottom bases are rectangles. Four faces that are not bases are either rectangles or parallelograms.
Rhombus
A parallelogram with all sides the same length. All rhombuses are parallelograms. Every square is a rhombus, but not all rhombuses are squares. Also called a diamond.
Row
Rule
Ruler
can have inches or centimeter measurements.
Ss
Side or edge
One of the line segments that make up a polygon.
Sphere
3-D shape
Square
A 2-D shape.A rectangle with all side of equal length. All angles in a square are right angles.
Square corner
A square corner is a 90 degree angle or right angle.
Subtract
Sum
Surface
The outside covering of a shape. Can be a flat or curved surface.
Symmetrical
A figure that can be folded/divided in half and be identical on both sides.
Symmetry
Symmetry is when both sides are the same. Asymmetric is when both sides are not the same.
Tt
Table of Contents
Tally Mark
Tape measure
Temperature
Temperature is the number of degrees indicated by the thermometer.
Tens
Tens place
Thermometer
Used to tell how warm or cold something is.
Thirds
Timeline
A number line showing when events took place.
To Make Change
Trapezoid
Triangle
Turn-around fact
Typical
The average or most common in a set of data.
Uu
Unit
One of something. In this picture the unit would be apples.