Principal’s Vocabulary Program triangle- a triangle which has two sides exactly the same length. scalene triangle scalene triangle- a triangle with no equal sides or angles. sphere

Principal’s Vocabulary

Program2005-2006

December

Learning all of these vocabulary words will increase math achievement and help students do well on the CRCT.

Can you spell each

word correctly?

Do you know the

definition of each word?

Essential QuestionHow are geometricshapes identified?

There are many different

geometric shapes.

circlecircle – a shape that is round.

squaresquare- a rectangle whose four sides are of equal length.

triangletriangle- a three-sided polygon

rectanglerectangle- a shape with four sides. Each side of the shape is the same length as the side opposite it.

conecone – a shape whose base is a circle and whose sides taper up to a point.

cylindercylinder – a solid bound by a

cylindrical surface and two parallel bases

hexagonhexagon- a shape with six sides.

octagonoctagon – a figure having eight sides and eight angles.

pentagonpentagon- a shape with five sides with five angles inside of it.

equilateral triangle

equilateral triangle-a triangle with equal sides and equal angles.

isosceles triangle

isosceles triangle- a triangle which has two sides exactly the same length.

scalene triangle

scalene triangle- a triangle with no equal sides or angles.

spheresphere – a solid figure that has the shape of a ball.

cubecube - a three-dimensional shape with six square or rectangular sides.

Parents, thank you so much for helping your child!