My Math, Grade 1, Chapters 1 and 2

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Across
  1. 1. To join together sets to find the total or sum.
  2. 4. Something that is a fact; the opposite of false.
  3. 8. The sign used to show having the same value as or is the same as.
  4. 9. The sum of two parts.
  5. 10. Look at groups of objects, shapes, or numbers and see how they are alike or different.
  6. 12. To take away.
Down
  1. 2. The answer in a subtration problem.
  2. 3. One of the two parts joined to make the whole.
  3. 5. Basic facts using the same numbers.
  4. 6. The sign used to show subtraction.
  5. 7. Something that is not a fact; the opposite of true.
  6. 11. The symbol used to show addition.
  7. 12. The answer to an addition problem.