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Math STAAR Voc.
vocabulary
| Term | Definition |
|---|---|
| polygon | A closed flat figure with straight lines |
| quadrilateral | a four-sided polygon |
| hexagon | 6 sided polygon |
| pentagon | 5 sided polygon |
| octagon | 8 sided polygon |
| congruent | same size, same shape |
| Parallelogram | A quadrilateral with two pairs of parallel sides |
| Trapezoid | a quadrilateral with only one pair of parallel sides |
| square | 4 equal sides and 4 right angles |
| parallel lines | lines that never meet or intersect |
| perpendicular lines | Lines that intersect to form right angles, X and Y axis are perpendicular |
| right angle | 90 degree angle |
| acute angle | less than 90 degrees |
| obtuse angle | more than 90 degrees |
| isosceles triangle | A triangle that has 2 equal sides. |
| scalene triangle | a triangle with no congruent sides |
| equilateral triangle | a triangle with 3 congruent sides and acute |
| coordinates | Ordered pairs that identify points (x,y) |
| origin | (0,0) where x axis and y axis intersect |
| order of operations | PEMDAS |
| Q P T R R S | quadrilateral, parallelogram, trapezoid, rectangle, rhombus, square |
| cube | all sides are equal |
| Adding Fractions with Unlike Denominators | Find the LCM |
| multiply decimals | 0.289 X 31 |
| sum | add |
| difference | subtract |
| product | multiply |
| quotient | divide |
| tenths | The first place value after a decimal point. |
| hundredths | The second place value after a decimal point. |
| thousandths | The third place value after a decimal point. |
| estimate | round |
| dozen | 12 |
| twice | times 2 |
| greater than | > |
| less than | < |
| half | 0.5 |
| 1/4 | 0.25 |
| 3/4 | 0.75 |
| one whole | 8/8 or 2/2 |
| divide fractions | K C F keep change flip |
| multiply decimals | Multiply like normal, count the decimal place values and move the decimal in the product |
| expanded notation | (7x1) + (3x0.1) + (5x0.01) |
| 0.001 | one thousandth |
| 13/2 | improper fraction: Divide |
| divide decimals | move the decimal up and divide |
| area | Length x Width |
| perimeter | add up all sides l+l+w+w |
| volume | L x W x H |
| PEMDAS | Parentheses, Exponents, Multiply or Divide, Add or Subtract |
| rectangle | a quadrilateral with four right angles |
| Rhombus | A parallelogram with four equal sides |
| income tax | based on the money you earn from a job, personal |
| property tax | A tax on the value of a property, land, house |
| sales tax | A tax on a sale of merchandise or services, buy goods |
| payroll tax | tax an employer withholds from paycheck, Social Security and Medicare |
| x axis | horizontal axis, laying down |
| y axis | vertical axis, standing up |
| additive pattern | the rule is adding + |
| multiplicative pattern | the rule is multiplying x |
Created by:
Mrs. Salas 5th
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