Across
- 1. mathematical statement containing an equals sign, to show that two expressions are equal
- 3. amount left over after dividing
- 6. logical; to be expected; valid
- 9. repeated shapes that fill a plane. The shapes do not overlap and there are no gaps.
- 10. the measure, in square units, of the interior region of a 2-dimensional figure or the surface of a 3-dimensional figure.
Down
- 2. a model of multiplication that shows each place value product
- 4. to show or defend why a solution is correct
- 5. a fraction with a numerator of 1
- 7. a variable or combination of variables, numbers, and symbols that represents a mathematical relationship
- 8. when an approximate or rough calculation is made; often based on rounding