Here are two worksheets to help assess whether children have a good grasp of subtraction.
They revise the following concepts:
Subtraction is the same as taking away, finding the difference between, and complementary addition.
Subtraction is non-commutative.
When a larger number is subtracted from a smaller number, the answer is negative.
Subtracting a number from another makes it smaller.
Subtracting zero makes no difference to a number.
Subtraction is the inverse of addition.
By year 5 children should have good mental strategies for solving subtraction problems.
These pages, and other similar can be found in our Year 5 subtraction category.