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Math STAAR Voc.
vocabulary
| Term | Definition |
|---|---|
| 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 |
| 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. |
| estimate | round |
| dozen | 12 |
| twice | times 2 |
| greater than | > |
| less than | < |
| half | 0.5 |
| expanded notation | (7x1) + (3x0.1) + (5x0.01) |
| area | Length x Width |
| perimeter | add up all sides l+l+w+w |
| rectangle | a quadrilateral with four right angles |
| Rhombus | A parallelogram with four equal sides |