Odd or even?   free sample

With numbers no greater than  10 20 50 100 250 500 1,000 10,000 100,000    

Number of questions:   questions per row: 1 2 3 4 5 6      Generate!

Divisibility for a single divisor   free sample

Divisible by  2 3 4 5 6 8 9 10 20 50 100   with numerators no greater than  20 50 100 250 500 1,000 10,000 100,000    

Number of questions:   questions per row: 1 2 3 4 5 6      Generate!

Divisibility for mixed divisors   free sample

Divisible by divisors no greater than  3 4 5 6 8 9 10    

with numerators no more than  20 50 100 250 500 1,000 10,000 100,000                     

Number of questions:   questions per row: 1 2 3 4 5 6      Generate!