Question | Answer |
Mathmaticians | people who work on math |
Triangle | a 2D shape with 3 sides, 3 vertices, and 3 angles |
Square | a 2D shape with 4 EQUAL sides, 4 right angles, and 4 vertices |
Rectangle | a 2D shape with 4 sides, 4 right angles, and 4 vertices |
Pentagon | a 2D shape with 5 sides, 5 angles, and 5 vertices |
Hexagon | a 2D shape with 6 sides, 6 angles, and 6 vertices |
Octagon | a 2D shape with 8 sides, 8 angles, and 8 vertices |
Congruent | Same size and same shape |
Cube | a 3D shape with 6 faces and 8 vertices -- a dice is this shape |
Sphere | a 3D shape with no faces and no vertices -- a globe is this shape |
Cylinder | a 3D shape with 2 circular faces and no vertices -- a can is this shape |
Rectangular Prism | a 3D shape with 2 square faces and 4 rectangular faces -- a kleenex box is this shape |
Fractions | Equal parts of a whole |
Numerator | The top number in a fraction -- it tells how many pieces or parts |
Denominator | The bottom number in a fraction -- it tells how many pieces altogether |
Perimeter | The distance around the outside edge of a 2D shape |
Area | The square units needed to cover the inside space of a 2D shape |
Array | A rectangular representation of a multiplication fact |
Sum | The answer to an addition problem |
Difference | The answer to a subtraction problem |
Product | The answer to a multiplication problem |