Chapter 1 Calculations with Algebra

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Across
  1. 2. When you do a power to the power, the ... get multiplied.
  2. 5. a² - b² is called the difference of two ...
  3. 8. When adding fractions you add the ... and the denominator stays the same.
  4. 11. When ... fractions you have to do numerator times numerator and denominator times denominator.
  5. 12. When dividing letters that have powers you have to divide the base and ... the exponents of equal letters.
  6. 13. When adding fractions you should first make the ... the same.
  7. 14. When you use scientific notation for small numbers, you can count the number of zeroes and write that as a ... power of 10.
Down
  1. 1. When working out single brackets you can draw helping lines in the form of a parrot ...
  2. 3. When you do a number or letter times itself, you do it to the ...
  3. 4. When working out (a + b)² you should not forget the double ...
  4. 5. When you use ... notation for big numbers, you can count the number of places the decimal point moved and write that as a positive power of 10.
  5. 6. When dividing fractions you Keep Change ...
  6. 7. When adding letters that have powers you have to add up the ... and the exponents stay the same.
  7. 9. When multiplying letters that have powers you have to multiply the base and ... the exponents of equal letters.
  8. 10. If you want to add letters that have powers, they have to be exactly the ...