Square (91-109)
Squares of numbers between 91 and 109.
Square (85-125)
Squares of numbers between 85 and 125.
Square (31-75)
Squares of numbers between 31 and 75.
Multiplication near 100
e.g. 97 x 104
Multiplication near 50
e.g. 48 x 56
General multiplication
Between 2 digit numbers.
Special multiplication
Unit digit sum 10, e.g. 42x48.
Multiplication by 9s
Practice with 9, 99, 999...
Multiplication by 11
Practice multiplication by 11.
Perfect square root
Of squares of numbers from 1 to 100.