Explain the process of moving the decimal point when dividing by 10.
Calculating a Percentage of a Whole Number: Solving 80% of 115
Interactive Video
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Mathematics
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4th - 6th Grade
•
Hard
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The video tutorial explains how to calculate percentages using a step-by-step approach. It begins by identifying 115 as 100% and demonstrates how to find 10% by dividing 115 by 10. The tutorial then shows how to calculate 80% by multiplying 11.5 by 8, ensuring the decimal point is correctly placed. The final answer is confirmed as 92, with a detailed explanation of each step involved in the calculation.
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is 10% of 115?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you calculate 80% of a number using the result of 10%?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe how to carry over numbers in multiplication as shown in the example.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final answer when calculating 80% of 115?
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