Math Tutoring on Decimals
The runner finished in 10.3 seconds or The Dow was up 124.6 points today etc.
Procedure to Rounding Numbers in Decimal Notation:
1. Identify the round-off value.
2. If the digit to the right of the round-off place value is less than 5, do not change the round-off place digit.
3. If the digit to the right of the round-off place value is 5 or more, increase the round-off place digit by 1.
4. In either case, drop all digits to the right of the round-off place value.
By rounding we determine what number a given number is closer to.
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1. How is Decimal Notation used to write numbers?
2. What are procedures to rounding numbers in Decimal Notation?
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