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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 |