# Calculation

## Decimal Diamonds

We are looking for your help with this maths activity.

Here is a problem solving puzzle in the form of a Diamond-shaped grid of squares, each square houses a number and the four sides of the Diamond should sum to the same 'magic' total.

The challenge is for the children to use their calculation and problem solving skills to complete the Diamonds by filling in the missing numbers.

## Doubles & Near Doubles Snap

A simple, versatile maths resource that has proven to be both popular and useful.

Here are 32 cards featuring the numbers 3 to 10 together with images depicting doubles or near doubles. These can be used as flash cards, labels or 'stations' on a washing line. However, they were originally designed to be used in Snap games.  Read more »

## Christmas Party Planning

It's Party Time!

Here's a party planning booklet that was originally devised by a student teacher. The children suddenly find they are the host of a Christmas party. They have to plan a Christmas event by selecting food, table crackers, entertainment and a party location from a range of options. The party has to suit a particular number of people and fit within a specific budget. Read more »

## Rocket Race Dice Game

Just when you thought it was safe to put the dice back in the tin we are back with yet another Dice Game. In fact, this one just missed out on being included in our Dice Games eBook - but the children who tested it out for us really enjoyed it so we decided to post it in any case. Read more »

## Number Bonds Bingo

Here's a simple Reverse Bingo Bonds Game. Read more »

## Number Logic MiniBooks

Here we have taken the Addition puzzles from Mental Monday's #19 and turned them into a series of mini booklets. This makes them ideal for children to work through at their own pace (perfect for the end of term), they could also be used as 'registration activities', or as a homework project. Read more »

## Mental Mondays #19

This week we offer a PowerPoint presentation that takes you through nine separate mental challenges. Each slide is based on a puzzle that involves connecting a series of numbers so that the total is always the same.

The puzzles are based on a pattern of lines and circles. Like this: