Pretty tricky addition of three multiples of 1000. Don't forget the printable answer page after 10 questions.
Ten questions on subtracting multiples of 100, 'in your head'. Printable answer page after 10 questions.
We continue the sailing theme with adding two 4-digit multiples of 100.
Find the missing number to make the number sentence correct. Ten questions to complete before a marked answer page is given.
A timed challenge, with just 60 seconds to answer as many correctly as possible.