# Key Stage 2, Maths, Addition and subtraction

## Unit Quiz

Test your knowledge across this topic to understand the areas you may need to work on.

Lesson 1

## Adding and subtracting 1-digit numbers to/from 3-digit numbers

Lesson 2

## Adding multiples of 10 to 3-digit numbers

Lesson 3

## Subtracting multiples of 10 from 3-digit numbers

Lesson 4

## Adding and subtracting multiples of 100 to/from 3-digit numbers

Lesson 5

## Adding two 3-digit numbers (without regrouping)

Lesson 6

## Subtracting two 3-digit numbers (without regrouping)

Lesson 7

## Applying rounding for estimating (adding)

Lesson 8

## Applying rounding for estimating (subtracting)

Lesson 9

## Adding two 3-digit numbers (regrouping in one column)

Lesson 10

## Adding two 3-digit numbers (regrouping in multiple columns)

Lesson 11

## Subtracting 3-digit numbers (regrouping tens to ones)

Lesson 12

## Subtracting 3-digit numbers (regrouping hundreds to tens)

Lesson 13

## Subtracting 3-digit numbers (regrouping in multiple columns)

Lesson 14

## Solving addition and subtraction word problems

Lesson 15