Podcast
Questions and Answers
What is the result of rounding the number 34,538 to the units digit?
What is the result of rounding the number 34,538 to the units digit?
- 34
- 35 (correct)
- 36
- 30
When the digit to the right of the rounding digit is less than 5, the rounding digit remains unchanged.
When the digit to the right of the rounding digit is less than 5, the rounding digit remains unchanged.
True (A)
What do you do with the digits to the right of the rounding digit after rounding?
What do you do with the digits to the right of the rounding digit after rounding?
They are discarded.
When rounding 34.5 to the tenths place, the result is ______.
When rounding 34.5 to the tenths place, the result is ______.
Match the rounding scenarios with their outcomes:
Match the rounding scenarios with their outcomes:
Flashcards
Rounding
Rounding
Simplifying a number by making it easier to work with. This involves replacing a number with a nearby, more convenient value.
Rounding Digit
Rounding Digit
The digit in a number that we want to adjust during rounding.
Check Digit
Check Digit
The first digit to the right of the rounding digit. We check this digit to decide whether to round up or down.
Rounding Up
Rounding Up
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Rounding Down
Rounding Down
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Study Notes
Number Rounding
- Rounding numbers simplifies transactions and makes values easier to remember.
- Measurements and prices are often rounded.
- A digit is selected for rounding.
- The number to the right of the chosen digit is examined.
- If the digit to the right is 5 or greater, the chosen digit increases by 1.
- Numbers after the chosen digit are disregarded.
- If the digit to the right is less than 5, the chosen digit remains unchanged.
- Numbers after the chosen digit are disregarded.
Example: Rounding 34,538
- Rounding to the units place: The units digit is 8. The digit to the right is 3. 3 is less than 5, so the units digit remains 8. The rounded number is 34,538.
- Rounding to the units digit: The units digit is 8. The number to the right is 4 (meaning 3). The rounded number is 34,530.
- Rounding to the tens place: The tens digit is 3. The digit to the right is 8. 8 is greater than 5, so the tens digit increases to 4. The rounded number is 34,540
- Rounding to the tenths digit: The tenths digit is 5. The digit to the right is 3. 3 is less than 5, so the tenths digit remains 5. Therefore, the rounded number is 34.5.
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