math(- between words)

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Across
  1. 3. is a set of rectangular bars that have height proportional to the number of data elements in each category.
  2. 5. An angle with a measure greater than 0° and less than 90°.
  3. 8. (area of a) 3 sided shape
  4. 12. is a manipulative whose area represents a constant or variable quantity
  5. 14. The length of a segment that connects a vertex of the shape to a line containing the opposite base
  6. 15. A fixed rule for carrying out a mathematical procedure
  7. 16. On a coordinate plane, two number lines that meet at right angles at the origin
  8. 17. distance of a number from 0
Down
  1. 1. the bottom of a shape
  2. 2. The number you need to add to a given number to get a sum of 0.
  3. 4. usually formed by two segments that have a common endpoint
  4. 5. A shape where all angles measure less than 90°.
  5. 6. a shape used to represent 100%
  6. 7. An operation that tells how many objects there are when two sets are combined.
  7. 9. number of units needed to fill up a region on a flat surface
  8. 10. The sum of given values divided by the number of values used in computing the sum.
  9. 11. states that for every number a there is a number −a such that a + (−a) = 0.
  10. 12. A branch of mathematics that uses variables to generalize the rules of numbers and numerical operations.
  11. 13. The endpoint or endpoints of a ray or segment on a number line where an inequality is true, marked with a solid dot. For strict inequalities (that is, inequalities invol