Select objects for the given number - up to 10
Subtracting 1 - Objective type
Subtracting 2 - Objective type
Subtracting 3 - Objective type
Subtracting 4 - Objective type
Subtracting 5 - Objective type
Subtracting 6 - Objective type
Subtracting 7 - Objective type
Subtracting 8 - Objective type
Subtracting 9 - Objective type
Numbers comparison - up to 100
Odd or Even numbers - up to 100
Number comes before or after a number - 1-digit numbers
Convert numeric number into english name - up to 10
Convert the english number into numeric number - up to 10
Identify the corresponding whole number for the roman numeral - up to X
Identify the corresponding roman numeral for the whole number - up to 12
Identify the corresponding roman numeral or whole number - up to 12 or X