MrsSBunnySubtract two 4-digit numbers - no exchange lesson pack (Year 4 Addition and Subtraction) (0)
MrsSBunnyAdd a 3-digit number and tens - crossing 100 lesson pack (Year 3 Addition and Subtraction) (0)
MrsSBunnySubtract tens from a 3-digit number - crossing 100 lesson pack (Year 3 Addition and Subtraction) (0)