Multiplication by 2 (other 70 mathematical problems)
Multiplication by 8 (other 70 mathematical problems)
Multiplication and division by 7 (other 70 mathematical problems)
Multiplication up to 10 (other 70 mathematical problems)
Multiplication by 3 (other 70 mathematical problems)
Multiplication up to 9 (other 70 mathematical problems)
Multiplication and division by 4 (other 70 mathematical problems)
Multiplication and division by 3 (other 70 mathematical problems)
Subtraction up to 50 (other 70 mathematical problems)
Multiplication up to 9 (other 70 mathematical problems)
Multiplication up to 2 (other 70 mathematical problems)
Addition and subtraction up to 30 (other 70 mathematical problems)
Multiplication and division by 2 (other 70 mathematical problems)
Multiplication up to 7 (other 70 mathematical problems)
Addition and subtraction up to 30 (other 70 mathematical problems)