Number Systems, Symbols and Multiplication Factors

Number Systems (© K.Brown 2025)

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
  1    2      3        
              
4        5    6        
              
              
   7             
              
      8          
    9            
              
              
  10              
              
    11            
              
              

Across:

2. There are one ................. mm in 1 metre
4. Uses a greek letter to denote 1/1000000th
6. another word for 1 million
7. the symbol 'n'
9. x 10 to the power of minus 12 is 1/..................th
10. the word used for 1/1000th
11. This means one hundredth

Down:

1. the letter 'p'
2. x 10 to the power of minus 3
3. numbers can be represented by a letter known as a ..................
4. a micro is a ...............th
5. 1000 of something equals a ...........
8. x10 to the power of minus 9 equals 1/..........th