Compare and Round Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

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CCSS.2.MD.B.6

Front

How do you compare two decimals?

Back

To compare two decimals, align them by the decimal point and compare digit by digit from left to right.

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CCSS.4.NF.C.7

Front

What does rounding a decimal mean?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

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CCSS.5.NBT.A.4

Front

How do you round a decimal to the nearest whole number?

Back

Look at the digit to the right of the decimal point. If it is 5 or greater, round up. If it is less than 5, round down.

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CCSS.5.NBT.A.4

Front

What is 6.50 compared to 6.5?

Back

6.50 = 6.5; they are equal because trailing zeros do not affect the value of a decimal.

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CCSS.4.NF.C.7

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What is the value of 8.14 rounded to the nearest tenth?

Back

8.14 rounded to the nearest tenth is 8.1.

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CCSS.5.NBT.A.4

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How do you round 56.9 to the nearest whole number?

Back

56.9 rounded to the nearest whole number is 57.

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CCSS.5.NBT.A.4

Front

What is the relationship between 0.17 and 0.170?

Back

0.17 = 0.170; they are equal because trailing zeros do not affect the value of a decimal.

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CCSS.4.NF.C.7

Front

What is the first step in rounding a decimal?

Back

Identify the place value to which you want to round (e.g., nearest whole number, tenth, hundredth).

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CCSS.5.NBT.A.4

Front

How do you determine if you round up or down?

Back

Look at the digit immediately to the right of the place value you are rounding to.

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