Maths term 2

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Across
  1. 4. this is one 100km/hr or 100:1
  2. 5. changing a fraction to its simplest form
  3. 6. when you replace a X with a number in a equation (x=10 x+4-7=7)
  4. 8. two numbers that can be added
Down
  1. 1. is closely related to fractions and decimals
  2. 2. what you do to one side of the = you do to the other.
  3. 3. has an x and y axis
  4. 7. 1,2,3,4,5 is counting with___