Multiplication Master

Multiplication Master — page 1 — Multiplication Chart Divisibility rules are just the right tools to make multiplication facts oh so cool Before we start let’s take a look at a multiplication chart 0 0 0 0 0 0 0 0 0 X 0 1 2 3 4 5 6 7 8 9 10 0 11 0 12 0 0 0 1 0 1 2 3 4 5 6 7 8 9 2 0 2 4 6 8 3 0 3 6 9 4 0 4 8 5 0 5 6 0 6 7 0 7 8 0 8 9 10 11 12 0 9 0 0 0 10 11 12 10 12 14 16 18 20 22 24 12 15 18 21 24 27 30 33 36 12 16 20 24 28 32 36 40 44 48 10 15 20 25 30 35 40 45 50 55 60 12 18 24 30 36 42 48 54 60 66 72 14 21 28 35 42 49 56 63 70 77 84 16 24 32 40 48 56 64 72 80 88 96 18 27 36 45 54 63 72 81 90 99 108 10 20 30 40 50 60 70 80 90 100 110 120 11 22 33 44 55 66 77 88 99 110 121 132 12 24 36 48 60 72 84 96 108 120 132 144 What a relief to know that the diagonal splits the table in two Look closely and you will see both sides are identical 4

Multiplication Master — page 2 — The commutative property of multiplication lets you switch the order of the factors without changing the product 3 4 12 and 4 3 12 Factors Product Factors Product 3 4 12 4 3 12 5

Multiplication Master — page 3 — Simple Rules Multiply by Zero and One Let’s start with zero the hero Any number multiplied by zero equals zero No matter the number big or small this is always true It is thanks to the multiplication property of zero rule Product Factors 0 3 0 2 0 0 0 0 0 0 1,000,000 0 6

Multiplication Master — page 4 — Time for some fun and multiply by 1 Any factor multiplied by one equals that number This is always true thanks to the multiplication property of one rule Product Factors 1 1 1 1 8 8 12 1 12 576 1 576 7

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