Multiples Investigation with Money - TN
Multiples, factors, primes etc. can be very abstract (and is one of the purest areas of mathematics even today) and this can be a big turn off for some students. Bringing in coins to touch and feel and that relate very much to their day-to-day experiences is one way to get them interested and thinking about other number relationships. They can then connect the key vocabulary: highest common factor, lowest common...