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3rd Grade Math Vocabulary
Terms in this set (44)
Writing a number to show the value of each digit. It is shown as a sum of each digit multiplied by its matching place value.
A line marked with numbers, used to show operations.
To join two or more numbers (or quantities) to get one number - (called the SUM of the total.)
The size a surface takes up measured in square units. Formula- Length x width
A set of objects or numbers arranged in rows and columns.
A characteristic. For example shape, size, angles...
Base 10 blocks
Blocks which show base 10 number values.
Having the same shape and the same size
Get smaller in size or number
The bottom number of a fraction. The number of parts the whole is divided into.
The answer or (difference) between two numbers - Subtraction
Sharing or grouping a number into equal parts
Fractions having the same value or amount
To make an approximate or rough calculation based on rounding
The flat surface of a three-dimensional shape
Get larger in size or number.
Distance between two points. Amount of time between two events.
Key words within a word problem to help you solve.
Line Plot (or Dot Plot)
A number line showing a dot or mark over the position corresponding to each number
A section of a line
A mathematical operation where a number is added to itself a number of times.
The number above the line of a fraction showing number of parts of the whole.
Numeral or Digit
Symbol used to represent a number
Arrangement according to size, amount, or value
Lines that are the same distance apart
A quadrilateral with opposite sides that are parallel and of equal length and opposite angles that are equal.
The distance around the outside of a shape.
The value of a digit depending on its place in a number.
A plane shape having three or more straight lines.
The answer or result when two numbers are multiplied.
A polygon with four sides.
The answer or result from dividing one number by another.
To change a number to a more convenient number.
Items arranged in a horizontal line.
Mathematical information organised in columns and rows.
A fraction with a numerator of 1
What something is worth
The place where 2 or more line segments come together.
The horizontal axis of a graph.
The vertical axis of a graph.
The time that has passed while some event is occurring
Less than sign
When one value is smaller than another
Greater than sign
When one value is larger than another
A tool designed to model a mathematical problem
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