1. National Curriculum 2014 (UK)
2. Mathematics
3. Lower Key Stage 2
4. Year 3
5. Number
6. Addition & Subtraction

Add and subtract numbers mentally, including:

Outcomes

• A three-digit number and ones
  Play Activities 12
  Examples
• A three-digit number and tens
  Play Activities 22
  Examples
• A three-digit number and hundreds
  Play Activities 15
  Examples