1. © Crown copyright 2006 Renewing the Frameworks Calculation - Subtraction

2. Primary and Secondary National Strategies © Crown copyright 2006 1 Progression through calculation Look at strands: Knowing and using number facts Calculating and 1999 Framework for teaching mathematics. Summarise the key differences between the Renewed Framework and 1999 Framework for teaching mathematics.

3. Primary and Secondary National Strategies © Crown copyright 2006 2 Discussion How can you ensure that staff in your school are aware of these changes in expectations?

4. Primary and Secondary National Strategies © Crown copyright 2006 3 Teaching Subtraction 2 + 5 – 4 2 – 4 + 5 12 – 15 + 26 – 4 138 – 57 – 43

5. Primary and Secondary National Strategies © Crown copyright 2006 4 Discussion  How can we help children to calculate efficiently, are there particular models and images that might be helpful?

6. Primary and Secondary National Strategies © Crown copyright 2006 5 Number Line Images 33 – 14 119 – 87 £3.29 – £1.59 Find how much between 4:30 and 9:15

7. Primary and Secondary National Strategies © Crown copyright 2006 6 Number Line Images

8. Primary and Secondary National Strategies © Crown copyright 2006 7 Discussion How are models and images currently used to support subtraction in your school? How is their use being adapted in different year groups?

9. Block A Counting, partitioning and calculating Block B Securing number facts, understanding shape Block C Handling data and measures Block D Calculating, measuring and understanding shape Block E Securing number facts, relationships and calculating Using and applying mathematics Counting and understanding number Calculating Using and applying mathematics Knowing and using number facts Understanding shape Using and applying mathematics Measuring Handling data Using and applying mathematics Calculating Measuring Counting and understanding number Knowing and using number facts Calculating Understanding shape

10. Primary and Secondary National Strategies © Crown copyright 2006 9 Addition and subtraction facts

11. Primary and Secondary National Strategies © Crown copyright 2006 10 Discussion Identify how the activity might be used to promote children’s problem-solving skills and strategies, and be adapted for use with different age groups

12. Primary and Secondary National Strategies © Crown copyright 2006 11 Activity 2 85=- 85=- -8=5

13. Primary and Secondary National Strategies © Crown copyright 2006 12 Discussion Identify how the activity might be used to promote children’s problem-solving skills and strategies, and be adapted for use with different age groups