Addition, find the total of, find the sum of, add together, plus: there are lots of words that mean adding one number to another. The opposite operation to addition is subtraction. If we add something multiple times, we can multiply.

This self-marking spreadsheet concentrates on adding a subtracting numbers to 20, numbers to 100, word problems adn fact families.

This self-marking spreadsheet concentrates on adding a subtracting numbers to 20, numbers to 100, word problems adn fact families.

This video shows you how using bar modelling can help you to think about what you need to do and how to do it.

## Addition and subtraction to 100

This self-marking spreadsheet concentrates on Counting to 100, filling in the missing numbers; adding and subtraction to 100 questions; problems involving adding and subtraction to 100 and then adding multiples of 10 to 100

This self-marking spreadsheet concentrates on counting up in tens; adding a multiple of ten to a two digit number and adding a multiple of ten to a three digit number.

## Adding two, doubling and halving

This self-marking spreadsheet concentrates on counting up in tens; adding a multiple of ten to a two digit number and adding a multiple of ten to a three digit number.

This worksheet provides basic one or two digit addition and multiplication questions.

This worksheet provides basic one or two digit addition and subtraction questions.

This self-marking spreadsheet concentrates on adding a subtracting numbers to 20, numbers to 100, word problems adn fact families.

Basic addition practice to begin with and then start to use addition in the context of perimeter and shopping.

This self-marking spreadsheet concentrates on adding two digit numbers to two, three or four digit numbers.

This self-marking spreadsheet concentrates on column addition providing differentiated worksheets on pentagons (numbers totalling a max of 30), squares (two digit numbers with carrying), triangles (add two to three digit number with carrying) and circles (three digit to three digit number with carrying).

This self-marking spreadsheet sets out the stages of adding unrelated fractions together.

Worksheet giving 14 questions on addition of decimals followed by 3 addition problem questions.

## The big sum

As it says in the title, this is a big sum.

## Directed Number Game

This takes a little bit of time to set up. You are provided with a couple of boards and some spinners. You will need to use cotton bud sticks or match sticks to complete the spinners. The aim is to teach them about adding and subtracting directed numbers (which is what we used to call negative and positive numbers).

## Lengths of blocks

There are three standard sized blocks. You have to calculate the dimensions of sides of a shape from the size of these blocks.

## Magic Square Cards

These are cards for you to make up. The blue version is whole numbers from one to 36. The red version is decimal numbers from 0.1 to 3.6. There are several green operator cards as well to allow ther uses if needed.

## Magic Squares

A booklet about magic squares and how you can build your own. There are ten pages of material to use on building magic squares and finding the magic number.

## Magic Squares

This self-marking spreadsheet provides the start of three magic squares that need completing.

## Making multiples of ten

This self-marking spreadsheet concentrates on number bonds up to different multiples of 10.

Fourteen pages of multiple choice questions on place value and addition.

## Number Operations

This self-marking spreadsheet provides lots of questions to practice the four number operations.

## Number Bonds

This self-marking spreasheet provides practise of number bonds to 10, 20, 30, 40, 50, 100, 500 and 1000.

## Decimal Number Bonds

This self-marking spreadsheet provides practise of number bonds including decimals.

## Problem Solving with Bar Models

This video shows you how you might use bar modelling to solve simple problems.