- Addition and subtraction within 20

## Lessons (10)

- In this lesson, we will learn how to use 'first, then, now' stories to add by counting on, using a number line.1 Slide deck1 Worksheet1 Quiz1 Video
- In this lesson, we will learn how to use 'first, then, now' stories to subtract by counting back, using a number line.1 Slide deck1 Worksheet2 Quizzes1 Video
- In this lesson, we will learn how we can add a teens number using known number bonds.1 Slide deck1 Worksheet2 Quizzes1 Video
- In this lesson, we will learn how we can subtract from a teens number using known number bonds.1 Slide deck1 Worksheet2 Quizzes1 Video
- In this lesson, we will identify expressions that are less than, equal to and greater than 10 and then apply the 'Make ten' strategy to add numbers.1 Slide deck1 Worksheet1 Quiz1 Video
- In this lesson, we will practise using the 'Make ten' strategy to solve addition equations.1 Slide deck1 Worksheet1 Quiz1 Video
- In this lesson, we will connect the 'Make ten' strategy to subtraction and apply it to subtraction equations.1 Slide deck1 Worksheet1 Quiz1 Video
- In this lesson, we will practise using the 'Make ten' strategy to solve subtraction equations.1 Slide deck1 Worksheet1 Quiz1 Video
- In this lesson, we will explore mathematical problems in context and consider different solutions.1 Slide deck1 Worksheet1 Quiz1 Video
- In this lesson, we will explore mathematical problems in context and consider different solutions.1 Slide deck1 Worksheet1 Video