Addition and subtraction within 20

In this lesson, we will learn how to use 'first, then, now' stories to add by counting on, using a number line.

In this lesson, we will learn how to use 'first, then, now' stories to subtract by counting back, using a number line.

In this lesson, we will learn how we can add a teens number using known number bonds.

In this lesson, we will learn how we can subtract from a teens number using known number bonds.

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.

In this lesson, we will practise using the 'Make ten' strategy to solve addition equations.

In this lesson, we will connect the 'Make ten' strategy to subtraction and apply it to subtraction equations.

In this lesson, we will practise using the 'Make ten' strategy to solve subtraction equations.

In this lesson, we will explore mathematical problems in context and consider different solutions.

In this lesson, we will explore mathematical problems in context and consider different solutions.