7th grade math vocabulary

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Across
  1. 7. (Bh)h
  2. 8. A plane figure with three straight edges and three angles.
  3. 10. The point with coordinate 0 on a number line; the point with coordinates (0,0) in the coordinate plane.
  4. 11. The process of finding equivalent fractions to obtain the simplest form.
  5. 12. The collection of integers is composed of the counting numbers,their negatives, and zero.
  6. 13. the ratio of the circumference to the diameter of any circle, represented either by the symbol π, or the approximation 22/7.
  7. 16. A three-dimensional figure with four or more faces, all of which are polygons.
  8. 17. The expression written above the fraction bar in a common fraction to indicate the number of parts counted.
  9. 18. base times height
  10. 19. The length of the perpendicular between the bases of a parallelogram or trapezoid; also the altitude of a triangle.
Down
  1. 1. A plane figure with four straight edges and four angles.
  2. 2. The difference between the largest and smallest values of a data set. See Function for another meaning of range.
  3. 3. The distance from the center of a circle a point of the circle. Plural form is radii.
  4. 4. A type of polyhedron that has one face, called a base, and triangular lateral faces that meet at a point called the apex.
  5. 5. Division Algorithm.
  6. 6. A statement that one expression is less than or greater than another.
  7. 9. A parallelogram is a four-sided figure with opposite sides parallel.
  8. 13. A way of expressing a number as parts out of 100; the numerator of a ratio with a denominator of 100.
  9. 14. A technical system of symbols used to convey mathematical information.
  10. 15. A measure of space; the number of unit cubes needed to fill a three-dimensional shape.