Rounding Numbers and Estimation

In this video, Mr. J explains how to round numbers to one, two, and three decimal places, covering tenths, hundredths, and thousandths. He provides step-by-step instructions and examples, emphasizing the importance of rounding in math and everyday life. The video includes examples of rounding different numbers and explains the concept of rounding up and down based on the digits to the right of the target decimal place.

Why is rounding an important skill in mathematics?

• It is not useful in real life.

• It is only used in advanced math.

• It is only important for exams.

• It helps in estimating values.

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CCSS.5.NBT.A.4

When rounding to the tenths place, which digit do you look at to decide whether to round up or stay the same?

• The digit in the ones place.

• The digit in the thousandths place.

• The digit in the hundredths place.

• The digit in the tenths place.

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CCSS.5.NBT.A.4

If the digit to the right of the tenths place is 4, what should you do?

• Round up.

• Round down.

• Stay the same.

• Add one to the tenths place.

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CCSS.5.NBT.A.4

What is the result of rounding 0.7498 to the hundredths place?

• 0.73

• 0.76

• 0.75

• 0.74

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CCSS.5.NBT.A.4

When rounding to the hundredths place, which digit do you examine?

• The digit in the tenths place.

• The digit in the thousandths place.

• The digit in the hundredths place.

• The digit in the ten-thousandths place.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What happens when you round up a 9 in the thousandths place?

• It becomes 0.

• It becomes 8.

• It becomes 10, and you carry over 1.

• It stays 9.

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CCSS.5.NBT.A.4

Which digit do you check when rounding to the thousandths place?

• The digit in the thousandths place.

• The digit in the ten-thousandths place.

• The digit in the hundredths place.

• The digit in the tenths place.

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CCSS.5.NBT.A.4

If you have 24.025 and round to the tenths place, what is the result?

• 24.0

• 24.1

• 24.02

• 24.03

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CCSS.5.NBT.A.4

What is the result of rounding 24.0254 to the hundredths place?

• 24.05

• 24.02

• 24.03

• 24.04

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CCSS.5.NBT.A.4

When rounding 24.0254 to the thousandths place, what is the outcome?

• 24.025

• 24.026

• 24.024

• 24.027

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CCSS.5.NBT.A.4