Year 3 Number: Addition and Subtraction
- Add and subtract numbers mentally, including:
- a three-digit number and 1s
- a three-digit number and 10s
- a three-digit number and 100s
- Add and subtract numbers with up to 3 digits, using formal written methods of columnar addition and subtraction.
Curriculum Alignment: Year 3 Number: Number and Place Value
- Count from 0 in multiples of 4, 8, 50 and 100; find 10 or 100 more or less than a given number.