<i>Maths for Mums and Dads</i>:<p><a href="http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Maths-Mums-Dads-Mike-Askew&#x2F;dp&#x2F;0224086359&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Maths-Mums-Dads-Mike-Askew&#x2F;dp&#x2F;022408...</a><p><a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Maths-Mums-Dads-Mike-Askew&#x2F;dp&#x2F;0224086359&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Maths-Mums-Dads-Mike-Askew&#x2F;dp&#x2F;02240863...</a><p><i>The Number Devil</i> is often recommended:<p><a href="http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Number-Devil-Mathematical-Adventure&#x2F;dp&#x2F;0805062998&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Number-Devil-Mathematical-Adventure&#x2F;...</a><p><a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Number-Devil-Mathematical-Adventure&#x2F;dp&#x2F;0805062998&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Number-Devil-Mathematical-Adventure&#x2F;dp...</a><p>How young are the children?  What you can do for very young children is get some small stones and paint numbers and letters on them (use child friendly paint, obviously) and then use a toy dump truck and toy loader to move them around, and start recognising the numbers and letters, and start very simple spelling and arithmetic.  Or you can paint numbers onto toy cars and use paint numbers onto a car park.<p>Cuisenaire rods are fun and useful.<p><a href="http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Legler-Multiplication-Sticks-Educational-Toy&#x2F;dp&#x2F;B00074U7SO" rel="nofollow">http:&#x2F;&#x2F;www.amazon.co.uk&#x2F;Legler-Multiplication-Sticks-Educati...</a><p>Sometimes they come with books and you probably want to ignore most of the book. (Because knowing that green + red = blue is not useful.)<p>You can bulk buy dice. Chessex sometimes sell &quot;pound of dice&quot;, and these are lovely tactile clicky clacky things. You can use these for games or rewards.