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Why do people use graphs?
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What is regrouping?
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3rd Grade Math Vocab

QuestionAnswer
Why do people use graphs? To get information.
What is regrouping? When you need to carry a digit over to the next place when you are adding OR when you need to borrow from one place to another to subtract
What is a factor? One of the numbers used in a multiplication problem
What is a product? The answer to a multiplication problem
What is a pictograph? When symbols are used in a graph to show information
What is a bar graph? When bars are used in a graph to represent data
What is a tally? A marking used to represent "one." EX: IThey can be clustered in "fives" by putting a slash through a group of four.
What is a sum? The answer to an addition problem
What is a difference? The answer to a subtraction problem
What is a quotient? The answer to a division problem?
What is area? The measurement of the INSIDE of a 2D shape
What is a perimeter? The measurement AROUND the OUTSIDE of a 2D shape
What is a pattern? A series of numbers or shapes that repeat in a predictable way
What is a numberline? A line that separates numbers in a fixed way (like a ruler - it is always in inches or centimeters). Patterns are not the same as numberlines!!!
What are compatibile numbers? Numbers that pair up to make other friendly numbers (8 and 2; 40 and 60; 25 and 75)
What is estimating? When "easier" numbers are used to come up with a total that is close, but not exactly accurate
What is rounding? Using a special math rule to make a number ending in zero
What is a fraction? Only a part of a whole object or set.
What is a region? One of the parts of a fraction. If something is broken into five equal parts, then there are five regions.
What is a numerator? The top number of a fraction. It represents the parts being talked about.
What is a denominator? The bottom number of a fraction. It represents all the parts that make the whole.
What is a hexagon? A 2D figure with six sides.
What is a pentagon? A 2D figure with 5 sides
What is a heptagon? A 2D figure with 7 sides
What is a octogon? A 2D figure with 8 sides
What is a nonagon? A 2D figure with nine sides
What is a polygon? A multisided 2D figure. Triangles, squares, rectangles, octogons, nonagons, are all polygons.
What is a quadrilateral? ANY four sided shape. Trapezoids, parallelograms, squares, and rectangles are all examples.
What is a vertex? Where the corners of a shape meet
What is a face? The 2D surface of a 3D shape
What is an edge? Where two 2D shapes' sides meet
What is congruent? Two shapes that are exactly the same size and angle. They can be rotated or turned in any direction.
What is symmetry? When a shape can be folded in half and have both sides 100% match.
Created by: klossing
 

 



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