Year 7 Number Revision

123456789101112131415161718192021
Across
  1. 2. What power of ten gives the answer 10000?
  2. 5. What is the 4 called in 4^6?
  3. 6. Common Factor What does HCF stand for?
  4. 9. What does L stand for in LCM?
  5. 12. Tree What is it called when we start with one number at the top and draw the factors with branches beneath?
  6. 13. When converting a fraction to a percentage you __________ by 100.
  7. 14. When rounding a decimal number to 2 decimal places which critical digit do we need to look at first?
  8. 16. Can you have a percentage greater than 100%?
  9. 17. decimal A decimal with the same digit pattern repeated is called a _______________ decimal.
  10. 19. 120% is greater or less than a whole.
  11. 20. What is the lowest factor (other than 1)that 81 is divisible by?
  12. 21. How many times do you write 4 given 4^6?
Down
  1. 1. division What method can you use when you convert a fraction to a decimal?
  2. 3. What is five to the power of zero?
  3. 4. A composite number only has 2 factors. True or False.
  4. 7. What is the cubed root of 8?
  5. 8. 25% is equivalent to which fraction?
  6. 10. 21 is what multiple of 7?
  7. 11. The numerator after simplifying 55%.
  8. 15. What is the second place value called after the decimal point?
  9. 18. 0.99, 0.90, 0.099 are in ______________ order.