Key Stage 1 Exercise for these lessons

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Add 2 digit numbers (Beginner)

Add and subtract: 2 digit and 1 digit

Add and subtract: 2 digit and tens

Add and subtract: three 1 digit numbers

One less than

Language of Subtraction

Subtracting 1 (Advanced)

Subtracting 1 (Beginner)

Subtracting 10

Subtracting within 10 (Advanced)

Subtracting within 10 (Beginner)

Understanding addition and subtraction

Numbers in digits to 20 (Advanced)

Numbers in digits to 20 (Beginner)

Numbers in words to 10

Numbers in words to 100

Numbers in words to 20 (Advanced)

Numbers in words to 20 (Beginner)

Understanding addition and subtraction

Add and Subtract by 9 or 11