Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Multiplication of Decimal |
Grade: 8-a Lesson: S2-L5 |
Explanation: Hello Students, time to learn examples. Let us take turns and read each example. Explain each step. Pay special attention to steps and pictures and communicate in your own words. |
Examples:
Find the product \$56.3 \times 0.5\$.
Step 1a
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The multiplication ignores the decimal points in multiplicand and multiplier. \$(563) \times (05)\$ = \$2815\$ |
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Explanation: We solve the multiplication problem as we normally would with whole numbers. |
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Step 1b
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After multiplication, count the number of decimal places in the decimal number. |
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Explanation: To find the total decimal places after multiplying, count the original number’s decimal places. For instance, 56.3 has 1 decimal place, and 0.5 has 1 decimal place. The total number of decimal places after multiplying is 2. |
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Step 1c
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Place the decimal point in the obtained product. \$28.15\$ |
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Explanation: Therefore,\$(56.3) \times (0.5)\$ = 28.15 |
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