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Dice in a dice.
My son is home educated and when we started out with elementary maths he did struggle with keeping his concentration finding maths monotonous and somewhat boring. Maths is not his strong point, bless him! So when I saw these in the science museum, I thought they would be useful. I bought mine at the science museum in London for around £1.50(I think, but it was some time ago). I have since bought more because they frequently vanish from being thrown with too much enthusiasm.
Initially these were bought for making games with my son but we started to get my son to throw them and write down each number as a sum, then calculate the answer, he has since expanded on this and now uses three or four dice making addition and multiplication harder. I have also got him to calculate probability, and we have made graphs showing the answers, this has made maths a lot more interesting for him. We also use them for games instead of two dice just using one. My son has attempted to create his own board games and uses these dice as part of his games. This is a way of encouraging his imagination and some of his games have been historically based and some have been about Dr Who etc. We also made a maths question game similar to bingo, using the dice.
Amazon sells packs of 72 dice for £19.12 and they come in a hexagonal tub which is very reasonable and I have also purchased them individually at the science museum. They come in a variety of colours; mine are red, blue, green, orange and yellow. The dice inside is obviously smaller and is white with black dots and the outer is a transparent coloured plastic. The dimensions are approximately ¾ inch square and they weigh next to nothing. They are extremely well made and I've had no issues with them coming apart at the join. His younger brother plays with them supervised as he likes to imitate his brother. My son has benefited greatly from using these with both his maths and imagination. Dice have been used for centuries and I had not realised how versatile and useful they could be until I discovered these.
Well worth a buy.
Twice the Dice-Twice as Nice! Use these double dice to teach probability, predict numerical outcomes and track the statistical results of repeated rolls. Each brightly colored, translucent outer die holds a single, smaller, white die inside. Twice the dice means twice the math-and twice the learning! Set of 72 dice comes in a sturdy hexagonal tub for quick clean-up and easy storage.