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1 Count back in ones from a four-digit number

2 Subtract a single-digit number from a four-digit number

3 Count back in tens from a four-digit number

4 Subtract a multiple of 10 from a four-digit number

5 Subtract a multiple of 100 from a four-digit multiple of 100

6 Count back in hundreds from a four-digit number

7 Subtract a multiple of 100 from a four-digit number

8 Add and subtract a multiple of 1000 from a four-digit number

9 Subtract mentally by finding the difference, targeting the ten, hundred or thousand

10 Subtract four-digit numbers using column subtraction

11 Exchange across zero to subtract four-digit numbers using column subtraction

12 Check answers using the inverse operation with four-digit numbers

13 Solve missing number problems for addition and subtraction with four-digit numbers