If you've read my columns before, you know I have a thing for cutting into thirds. With Thanksgiving upon us my family will no doubt be faced with a dilemma: there's one slice of pumpkin pie left; how ...

Find out what multiples are and how to sort multiples of 2 and 5. Doubling numbers Learn how to make doubles using ten frames, addition and multiplication. Counting in twos, threes, fives and tens ...