021 lesson 12

Lesson 12 MASTERING SKILLS IN MULTIPLYING WHOLE NUMBERS Objectives After this lesson, the students are expected to: ,[object Object]

develop the speed in multiplying whole numbers;

perform multiplication correctly.Since multiplication is a shortcut for repeated addition, we can get the product of a two factors without the use of a two factors without the use of repeated addition. Take a look at the example: 11 Carries 2 4 3467100168910 3 5 8Multiplicand x 2 5Multiplier 1 7 9 01st partial product +7 1 62nd partial product 8 9 50Product How to use multiplication table? In mastering the multiplication operation, knowing how to multiply using multiplication table helps you to become fluent in multiplying numbers. 2522482238497 19050-4204 Multiplication Table X012345678910111200000000000000101234567891011122024681012141618202224303691215182124273033364048121620242832364044485051015202530354045505560606121824303642485460667270714212835424956637077848081624324048566472808896909182736455463728190991081001020304050607080901001101201101122334455667788991101211321201224364860728496108120132144 Example: Remembering 9's What's 9 x 7? Use the 9-method! Hold out all 10 fingers, and lower the 7th finger. There are 6 fingers to the left and 3 fingers on the right.The answer is 6. -419100-65033WORKSHEET NO. 12 NAME: ___________________________________DATE: _____________ YEAR & SECTION: ________________________RATING: ___________ 6096015875 ,[object Object],WRITE YOUR SOLUTION HERE:1. 59x 8 =________________ 2. 48 x 3 =_______________ -41675054229103. 31 x 6 =_______________ 4. 27 x 21 =______________ 5. 11 x 15 =_______________ 6. 21 x 27 =_______________ 7. 14 x 17 =_______________ 8. 8 x 32 = ________________ 9. 78 x 45 =_______________ 10. 11 x 23 =_____________

021 lesson 12

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021 lesson 12