From Daniel Mentrard on GeoGebra, **Puzzles**.

And **64 geometric puzzles**.

From Daniel Mentrard on GeoGebra, **Puzzles**.

And **64 geometric puzzles**.

Mathematical memory games and more…

Mathematics, Learning and Technology

A **Back to School collection** of activities from Transum Mathematics was a reminder of many activities I like and a source of some new discoveries. Looking at the Develop Your Memory suggestions, I noted Number Recall something which I think I’ll try with Year 7 when we look at Statistics. It is often said that the average person can remember 7 digit numbers; the Transum activity allows a choice of the number of digits so we’ll see how good our memories are! I rather like the **Kim’s Game activity** here too which led me to a collection of Kim’s Games on Transum including **Angle Theorem Kim’s Game**, something to try perhaps when reviewing Circle Theorems.

Transum Mathematics – Angle Theorem Kim’s Game

In fact, Transum has a whole collection of **memory activities**, the collection includes the various Kim’s game activities and many more. There are several pairs games…

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It is still Summer holiday time for some of us, so try this lovely puzzle. See plus magazine – **Finding the nine**. (There is a link to a very clear solution in the video).

Some wonderful puzzles here from Ed Southall on Solve My Maths.

There are many recommendations for Nrich games on the pages of this site.

Note this selection of Games chosen by Nrich themselves, **Secondary Interactive Resources** which have been chosen for use in the computer room or on the whiteboard. The games are presented in order of difficulty; we have Countdown for example, but with Complex Numbers, Vectors and Matrices.

The **Black Box** Game requires some thinking outside the box!

** **For some excellent **Mathematical Puzzles and games resources **have a look at **Celebration of Mind**.

**Yohakuu** is a puzzle that will test your number sense and problem solving skills. Each Yohaku puzzle is either an additive or a multiplicative puzzle. You must fill in the empty cells such that they give the sum or product shown in each row and column as well as satisfying a rule if given.

Choose from 2×2, 3×3 or 4×4 puzzles.

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These could be used as Starters or perhaps in form time.

Follow Yohaku on **Twitter**. Checking the Twitter stream I noted this algebraic puzzle below, an excellent idea. Try a little logic, where must c be placed for example.

A collection of Statistics games…

From Cambridge PhD student, Omar Wagih ‘**Guess the Correlation**‘, a rather addictive game with a purpose – Omar Wagih is collecting the data on the guesses collected and using it to analyse how we perceive correlations in scatter plots. Select About to read the rules and further details.

For early Probability and Statistics, see Statistics (at the bottom of the page) on **Science Kids**.

Try the Monty Hall problem on the Shodor site.

For a rather sophisticated use of games in the Statistics classroom for older students, see the Minitab Blog on **Using Games to Teach Statistics**. The Tangram Game and further details can be found **here**. Further activities are available under **Activities and Game-Based Labs**.

To highlight some great puzzles…

Mathematics, Learning and Technology

A consistently popular post on this blog is ‘**Lovely Puzzles**‘ which has links to many puzzle sites which include mathematical puzzles. This seems a good time of year to investigate some of these further. A good puzzle for Christmas Eve perhaps (or any day!) would be ‘Make 24’.

Can you make 24? You must use all the numbers once and you are allowed the four operations and brackets.

(Further information and solutions for Make 24 and other Number puzzles are listed on the **Number page** on Mathematics Games). Number puzzles like this can make excellent starters.

Other possibilities for puzzle-type lesson starters come from **Erich Friedman** who has a variety of **Mathematical Puzzles; **try his **Weird Calculator Puzzles** for example or these **Number Formation Puzzles** both of which would make ideal ‘**Bell Work**‘.

Another **great collection comes from Simon Tatham**, I have been enjoying…

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I couldn’t resist this counter moving challenge – happy to report that I scored 20! Evidence in the image!

Update: 19 is the new record!

You can try more puzzles from Transum **here**.

There are plenty to try, all are attractively presented and easy to use. Fun to do but these puzzles will help students practise a variety of mathematical skills.

Some of these puzzles would make good lesson starters, for example the **Magic Square puzzle** or **Prime Square**.

Note – this has been added to the **Puzzles page**.