A timed challenge to see just how well subtraction facts are known. Less than 40 seconds to get as many correct as possible.
Subtracting pairs of 2-digit numbers, but not as hard as it sounds as there is no crossing the tens boundary.
The busy bee is great at subtracting 10 from numbers.
Help the dolphins complete the subtraction number sentences as fast as possible. Good mental arithmetic practice.
Send the meteorites crashing with this pairs game of finding a difference of 30.
A ghostly challenge to find pairs of numbers which have a difference of 29.