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Math Vocabulary
Quarter 3 Math Vocabulary
| Term | Definition |
|---|---|
| Feet | Unit of measurement; Length of top of your leg |
| Inches | Unit of measurement; length from first knuckle to second on your finger |
| How many inches in a foot | 12 |
| How many inches on a ruler | 12 |
| Centimeters | Unit of measurement; length of your finger nail |
| Yard | Unit of measurement; about the width of a door |
| How many inches in a yard | 36 |
| How many feet in a yard | 3 |
| Meters | A unit of measurement; 3 inches longer than a yard |
| How many inches in a meter | 39 |
| Area | The amount of space a shape takes up |
| How we calculate area of a quadrilateral | Length x Width |
| Perimeter | The distance around a shape |
| How we calculate the perimeter | Add up all the sides |
| Temperature | How hot or cold something is |
| Partition | Dividing a shape into equal pieces |
| Numerator | The top digit of a fraction; the shaded parts; pieces of a group |
| Denominator | The bottom digit of a fraction; the total amount of parts |
| Cross multiply | Used when comparing fractions with unlike denominators |
| Equivalent | Have the same value; equal |
| Mixed Number | A fraction combined with a whole number |
| Improper Fraction | A fraction where the numerator is larger than the denominator |
| Triangle | Polygon with 3 sides |
| Polygon | 2D shape with no curves, no intersecting lines, and a closed shape |
| Quadrilateral | Polygon with 4 sides |
| Parallelogram | Quadrilateral with 2 parallel sides - where opposite sides are parallel; opposite sides are equal; opposite angles are equal |
| Trapezoid | Quadrilateral with one set of parallel sides |
| Rhombus | Quadrilateral where opposite sides are parallel and all sides are equal; corners may not be 90 degree angles |
| Rectangle | Quadrilateral where opposite sides are parallel; opposite sides are equal; all angles measure 90 degrees |
| Square | Quadrilateral where all sides are equal; all angles are equal and are 90 degrees |
| Kite | Quadrilateral where exactly two pairs of consecutive sides are equal |
| Pentagon | Polygon with 5 sides |
| Hexagon | Polygon with 6 sides |
| Heptagon | Polygon with 7 sides |
| Octagon | Polygon with 8 sides |
| Nonagon | Polygon with 8 sides |
| Decagon | Polygon with 10 sides |
| Congruent | Having the same size and shape |
| Non-congruent | Not having the same size and/or shape Symmetrical |
| Symmetrical | A shape that has two equal halves that look exactly the same when you fold it in half |
| Line | A straight path that goes on forever in both directions |
| Line segment | A straight line that has an end point on each end |
| Ray | A straight line that has an end point on one end and goes on forever on the other end |
| Parallel Lines | Lines that are sided by side and will never cross |
| Perpendicular Lines | Lines that intersect at a 90 degree angle |
| Intersecting Lines | Lines that cross each other |
| Point | An exact location in space |
| Angle | Two lines that meet at a point |
Created by:
user-1896434
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