The product for a times 9 multiplication table fact is found by taking the number and subtracting one, use that number in the tens place of the product, and for the ones place start with 9 and subtract the digit you just found for the tens place. (Ask students to check it using the multiplication chart) In this example, you have to skip-count by fives up to the number 6. (Tell students to refer to the multiplication chart) To solve for problems in the 5 times table, simply skip count by fives. Times 4 multiplication table can be solved by doubling twice. If you know a few basic addition facts, the times 2 multiplication table is easy, and again, keep in mind the first rule, and this knocks the Nx2 problems from all the other tables as well. Multiplying by two is the same as doubling addition. This simply means that A x B = B x A.īecause of a property called identity, any number times one is itself, and because of the first rule, that eliminates an extra fact from each of the other multiplication tables as well.įor times ten multiplication facts, add a zero to the end to get the product. This cuts the number of multiplication table facts in half effectively. The facts are the same no matter what order the arguments are in (the first times the second gives the same result as the second times the first). Use these rules to help get to a product quickly until your multiplication facts are memorized. There are many extra tricks for learning the multiplication table.
Provide each student with printed multiplication tables and charts. But what if there were some tricks that made memorizing multiplication easy? What if these tricks used the addition facts we already know, so that instead of memorizing we could get the right answer for a multiplication problem quickly? Share with students that you’re going to give them the secret tricks for making multiplication easy. Learning the multiplication table can be scary because there are so many facts. Students attention at the smart board showing the eight rules for mastering the multiplication table from the website below. Lesson Plan Sequence: Orientation: 2 minutes Level 4 – Recall multiplication facts up to 10 × 10 and related division facts (ACMNA075).
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