Nathan's crossword

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Across
  1. 3. This is essential for building
  2. 6. This is our teacher for maths
  3. 7. examples of ____ we normally use cake or pizza
  4. 8. This is the opposite of multiplication
  5. 9. we normally use signs and letters for this category
  6. 10. This category includes 360 180 90
Down
  1. 1. this is how maths was even made
  2. 2. this is the longest word in maths if you do struggle with this you may look it up.
  3. 3. This is one of the easiest topics and you need to know your ____ table to do well
  4. 4. we use this to ____ from a number
  5. 5. This is the opposite of addition