TAS G7 Enriched Pre-Algebra

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Across
  1. 5. swapping numerator and denominator
  2. 8. One of Santa's reindeer
  3. 9. The number of times a base appears
  4. 10. Numbers that can be written as fractions
Down
  1. 1. a(a+2)=aa+2a
  2. 2. End value minus start value
  3. 3. >
  4. 4. a group of people singing, spreading cheer
  5. 6. A number that doesn't change
  6. 7. the Snowman