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**Lesson 3.3 Rounding Decimals**

Thursday, March 13 Lesson 3.3 Rounding Decimals

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Rounding Decimals Objective: To understand how to round decimals.

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Rounding Decimals Decimals can be rounded just as you round whole numbers.

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Rounding Decimals Round to the tenths place. How to round a decimal. Step 1 – Underline which digit is to be rounded.

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Rounding Decimals Round to the tenths place. How to round a decimal. Step 1 – Underline which digit is to be rounded.

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Rounding Decimals Round to the tenths place. How to round a decimal. Step 2 – Determine which digit is to the right of the rounded digit.

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Rounding Decimals Round to the tenths place. How to round a decimal. Step 2 – Determine which digit is to the right of the rounded digit.

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Rounding Decimals Round to the tenths place. How to round a decimal. Step 3 – Apply the rounding rule. If the digit is 4 or less, the underlined digit remains the same. If the digit is 5 or more, add 1 to the underlined digit.

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Rounding Decimals Round to the tenths place. How to round a decimal. Step 3 – Apply the rounding rule. Since the digit in the example is less than 4, the underlined digit does not change. The rounded number is 123.1

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Rounding Decimals Round to the tenth place. Do this on your own.

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Rounding Decimals Round to the tenth place. Since the digit to the right of the tenths place is 5 or greater , the rounded number is 56.9

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Rounding Decimals Round to the ones place. Do this on your own.

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Rounding Decimals Round to the ones place. Since the digit to the right of the ones place is less than 4, the rounded number is 1.

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Rounding Decimals Round to the tenths place. Do this on your own.

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Rounding Decimals Round to the tenths place. Since the digit to the right of the tenths place is 5 or greater , the rounded number is 100.

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Rounding Decimals Round to the hundredths place. Do this on your own.

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Rounding Decimals Round to the hundredths place. Since the digit to the right of the hundredths place is 4 or less , the rounded number is 99.98

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Rounding Decimals Round to the hundredths place. Do this on your own.

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Rounding Decimals Round to the hundredths place. Since the digit to the right of the hundredths place is 4 or less , the rounded number is

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Rounding Decimals Round to the hundredths place. Do this on your own.

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Rounding Decimals Round to the hundredths place. Since the digit to the right of the hundredths place is 5 or more , the rounded number is 56.79

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Rounding Decimals Agenda Notes – In class work – Rounding Decimals ( white paper - front and back) Homework – Practice Skills 3-3 Due Friday March 14

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