Key Stage 1, Maths, Addition and subtraction within 20
Lesson 1
To add by counting on using a number line
Lesson 2
To subtract by counting back using a number line
Lesson 3
To add a 1-digit number to a teens number using a known fact
Lesson 4
To subtract a 1-digit number from a teens number using a known fact
Lesson 5
To use the 'Make ten' strategy to add two 1-digit numbers (Part 1)
Lesson 6
To use the 'Make ten' strategy to add two 1-digit numbers (Part 2)
Lesson 7
To use the 'Make ten' strategy to subtract a 1-digit number from a teen number (Part 1)
Lesson 8
To use the 'Make ten' strategy to subtract a 1-digit number from a teen number (Part 2)
Lesson 9
To use mathematical models and strategies for addition
Lesson 10