2. Numbers

123456789101112131415
Across
  1. 4. To take away from an amount, making it smaller.
  2. 6. A kind of amount that cannot be divided into two equal groups.
  3. 8. A huge amount, often used when talking about stars or money.
  4. 10. To put amounts together and make a bigger number.
  5. 11. A type of amount that can be split into two equal parts.
  6. 12. When an amount becomes twice as big.
  7. 13. total number of days in some months.
  8. 15. The final amount when everything is added together.
Down
  1. 1. When there is nothing at all, like an empty box.
  2. 2. To make a number grow bigger by repeating it several times.
  3. 3. A big round amount that is ten groups of ten.
  4. 5. A very large amount, much bigger than a hundred.
  5. 7. When something is repeated three times.
  6. 9. To split something into equal parts.
  7. 14. When something is split into two equal parts.