Hilary Koll (Author) Hilary Koll is a part-time Mathematics Co-ordinator and teacher of children in Berkshire Primary school. She works as a Lecturer in Mathematics Education at the University of Reading on undergraduate, post-graduate and in-service training courses.Steve Mills (Author) Steve Mills began his career as a primary school teacher before becoming a Lecturer in Mathematics education at the University of Reading, working with students in initial teacher training, and providing INSET for schools. He is now a full-time writer and consultant in mathematics education.

• 1: Count all2: Count on3: Take-away4: Count on and back5: Difference6: Whole/part diagrams7: Addition and subtraction with ten8: Addition and subtraction facts9: Greater than and less than10: Add more than two numbers11: Add teen numbers12: Add larger numbers13: Subtract larger numbers14: Glossary15: Answers

Hilary Koll (Author) Hilary Koll is a part-time Mathematics Co-ordinator and teacher of children in Berkshire Primary school. She works as a Lecturer in Mathematics Education at the University of Reading on undergraduate, post-graduate and in-service training courses.Steve Mills (Author) Steve Mills began his career as a primary school teacher before becoming a Lecturer in Mathematics education at the University of Reading, working with students in initial teacher training, and providing INSET for schools. He is now a full-time writer and consultant in mathematics education.

• 1: Count all2: Count on3: Take-away4: Count on and back5: Difference6: Whole/part diagrams7: Addition and subtraction with ten8: Addition and subtraction facts9: Greater than and less than10: Add more than two numbers11: Add teen numbers12: Add larger numbers13: Subtract larger numbers14: Glossary15: Answers

Hilary Koll (Author) Hilary Koll is a part-time Mathematics Co-ordinator and teacher of children in Berkshire Primary school. She works as a Lecturer in Mathematics Education at the University of Reading on undergraduate, post-graduate and in-service training courses.Steve Mills (Author) Steve Mills began his career as a primary school teacher before becoming a Lecturer in Mathematics education at the University of Reading, working with students in initial teacher training, and providing INSET for schools. He is now a full-time writer and consultant in mathematics education.

• 1: Count all2: Count on3: Take-away4: Count on and back5: Difference6: Whole/part diagrams7: Addition and subtraction with ten8: Addition and subtraction facts9: Greater than and less than10: Add more than two numbers11: Add teen numbers12: Add larger numbers13: Subtract larger numbers14: Glossary15: Answers