Categories starting with N
Number (229)
- Arithmetic (47)
- Mental Calculation (27)
- Factors, Multiples and Primes (22)
- Integers, Powers and Roots (50)
- Ratio and Proportion (8)
- Working with Fractions, Decimals and Percentages (75)
- Estimation and Appoximation (including bounds) (19)
- Rational and Irrational Numbers (2)
- Effective Use of a Calculator (2)
- Revision / Review / Miscellaneous (8)
Items starting with N Files
Number Properties Puzzle
Updated on 27 July 2011
- A puzzle testing types of number, factors, primes, and multiples