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Questions and Answers
What is the purpose of rounding numbers?
What is the purpose of rounding numbers?
- To make numbers larger
- To simplify and manage numbers (correct)
- To make numbers more complex
- To change the value of numbers
When rounding a number, what should you do if the digit to the right of the rounding digit is less than 5?
When rounding a number, what should you do if the digit to the right of the rounding digit is less than 5?
- Ignore the digit to the right
- Leave the rounding digit as is (correct)
- Round down to the nearest whole number
- Increase the rounding digit by 1
What is the purpose of rounding to the leading digit?
What is the purpose of rounding to the leading digit?
- To simplify the number to only have one significant digit (correct)
- To make the number more precise
- To increase the accuracy of calculations
- To round up all digits in the number
When rounding a number, what should you do if the digit to the right of the rounding digit is 5 or more?
When rounding a number, what should you do if the digit to the right of the rounding digit is 5 or more?
Which foundational concept should you be comfortable with before delving into rounding and estimating?
Which foundational concept should you be comfortable with before delving into rounding and estimating?
When estimating the sum of 243 + 567 by rounding each number to the nearest hundred, what is the result?
When estimating the sum of 243 + 567 by rounding each number to the nearest hundred, what is the result?
In rounding 78.945 to the nearest tenth, why is the answer 78.9 and not rounded up to 79?
In rounding 78.945 to the nearest tenth, why is the answer 78.9 and not rounded up to 79?
When rounding 6342 to the nearest thousand, why is the result 6000?
When rounding 6342 to the nearest thousand, why is the result 6000?
In estimating the product of 98 x 45 by rounding to the nearest ten, why is the result 5000?
In estimating the product of 98 x 45 by rounding to the nearest ten, why is the result 5000?
If you round 456 to the nearest ten and then to the nearest hundred, what results do you get?
If you round 456 to the nearest ten and then to the nearest hundred, what results do you get?
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