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5th grade math
academic vocab
| Term | Definition |
|---|---|
| Common Denominator | the same denominator used in two or more fractions |
| Denominator | the bottom number in a fraction. Tells the number of pieces making up the whole |
| Equivalent | having the same value |
| Fraction | part of a whole |
| Greatest Common Factor (GCF) | the largest number that divides evenly into two or more numbers |
| Least Common Multiple (LCM) | the smallest whole number greater than 0 that is a common multiple of two or more numbers |
| Multiple | skip counting |
| Numerator | the top number in a fraction |
| Simplify | to reduce a fraction to lowest terms |
| Whole number | all counting numbers including 0 |
| Factor | a number multiplied by another number |
| Quotient | the answer to a division problem |
| Product | the answer to a multiplication problem |
| Difference | answer to a subtraction problem |
| Sum | answer to an addition problem |
| Compatible Numbers | numbers that are easy to calculate in your head |
| Standard Form | the common way to write a number |
| Expanded Form | the way to write a number showing the place value of each digit |
| Word Form | the written form of a number without using digits |
| Estimate | an approximate number; not the exact value |
| Dividend | the number to be divided (goes inside) |
| Divisor | the number used to divide another number (goes outside) |
| Remainder | a number left over after division is complete |
| Factor Tree | a diagram that shows the prime factorization of a composite number |
| Improper fraction | a fraction whose numerator is greater than the denominator |
| Mixed Number | a number that has a whole number part and a fractional part |
| Prime Number | a whole number greater than 1 with ONLY two factors, 1 and itself |
| Composite Number | a whole number greater than 1 that has more than 2 factors |
| Unit fraction | a fraction where the numerator is 1 and the denominator is a positive number |
| Convert | to change from one form to another |
| Area | the number of square units needed to cover a space; L x W |
| Perimeter | the distance around the outside of a figure; add up all the sides |
| Base Area | the area of one of the bases of a 3D figure; "B" |
| Cubic Unit | a measure of volume. It is equal to the volume of a cube, which is 1 unit tall, 1 unit wide, and 1 unit long |
| Height | the distance from top to bottom |
| Volume | amount of space an object takes up; L x W x H |
| Triangle | a three sided polygon |
| Right triangle | a triangle with a right angle |
| Isosceles triangle | a triangle with two equal sides |
| Scalene triangle | a triangle with no equal sides |
| Equilateral triangle | a triangle where all of the sides and angles are the same length |
| Quadrilateral | a four sided polygon |
| Parallelogram | a quadrilateral with opposite sides parallel |
| Rectangle | a quadrilateral with straight sides where all interior angles are right angles |
| Square | a quadrilateral, all sides have equal length, and every angle is a right angle |
| Rhombus | a quadrilateral, all sides have equal length, opposite sides are parallel, and opposite angles are equal |
| Trapezoid | a quadrilateral with at least one pair of parallel sides |
| Pentagon | a 5 sided polygon |
| Hexagon | a 6 sided polygon |
| Heptagon | a 7 sided polygon |
| Octagon | an 8 sided polygon |
| Nonagon | a 9 sided polygon |
| Decagon | a 10 sided polyhon |
| Dodecagon | an 12 sided polygon |
| Polygon | a closed figure with at least 3 straight sides and angles |
| Parallel lines | lines that never get closer together, and never intersect |
| Perpendicular lines | lines that intersect at a 90 degree angle |
Created by:
emcmullen
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