Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Measurment |
Grade: Core-SAT3 Lesson: S4-P1 |
Explanation: The best way to understand SAT-3 is by looking at some examples. Take turns and read each example for easy understanding. |
Examples:
Convert 3.45% into a decimal number.
Step 1a
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The given Percent is 3.45%. To change the percent into a decimal, divide by 100.\$3.45/100\$ |
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Explanation: The given Percent is 3.45%. 3.45 percent means 3.45 out of 100 equal percent.Drop the % symbol and divide by 100 to convert a percentage into a decimal number. |
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Step 1b
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After divide by 100, we get 0.0345. |
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Explanation: Finally, we get 0.0345. |
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Find 100 was increased by 9%.
Step 2a
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Firstly, the percent of fractional multiple. The percentage sign % means percent, equivalent to the fraction of \$1/100\$. |
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Explanation: Here 9% × 100. In this step, drop the % symbol and divide by 100 to convert a percentage into a fraction number. |
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Step 2b
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After simplification, \$(9 times 100)/100\$ = 9. Add the result 9 to the original value i.e.,100 + 9 = 109. |
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Explanation: After performing the calculation, the result is 9.The percentage value has increased to 109. |
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Find 75 was decreased by 6%.
Step 3a
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Firstly, the percent of fractional multiple. The percentage sign % means percent, equivalent to the fraction of \$1/100\$. |
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Explanation: Here 6% × 75. In this step, drop the % symbol and divide by 100 to convert a percentage into a fraction number. |
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Step 3b
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After simplification, \$(6 times 75)/100\$ = 4.5. Subtract the result 4.5 to the original value i.e.,75 - 4.5 = 70.5. |
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Explanation: After performing the calculation, the result is 4.5.The percentage value has decreased to 70.5. |
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