Rounding Decimals with Mr. J

In this video, Mr. J explains how to round decimals, focusing on rounding up nines. He demonstrates this through four examples, each showing two methods: regrouping and using two-digit rounding. The examples cover rounding 896 thousandths, 4.99, 47.295, and 59.9 to their respective nearest places. The video aims to simplify the concept of rounding decimals, especially when dealing with nines.

What is the main focus of the video tutorial?

• Subtracting decimals

• Adding decimals

• Rounding decimals, specifically rounding up nines

• Rounding whole numbers

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When rounding 896 thousandths to the nearest hundredth, what is the result?

• 0.89

• 0.90

• 0.91

• 0.92

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CCSS.5.NBT.A.4

In the first method of rounding 896 thousandths, what is done after rounding up the nine?

• Subtract 1 from the hundredths place

• Add 1 to the hundredths place

• Subtract 1 from the tenths place

• Add 1 to the tenths place

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CCSS.5.NBT.A.4

What is the result of rounding 4.99 to the nearest tenth?

• 5.2

• 5.1

• 5.0

• 4.9

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CCSS.5.NBT.A.4

In the second method of rounding 4.99, what two digits are considered?

• 100

• 99

• 50

• 49

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CCSS.5.NBT.A.4

What is the result of rounding 47.295 to the nearest hundredth?

• 47.31

• 47.30

• 47.32

• 47.29

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CCSS.5.NBT.A.4

In the first method of rounding 47.295, what happens after rounding up the nine?

• Subtract 1 from the tenths place

• Add 1 to the hundredths place

• Subtract 1 from the hundredths place

• Add 1 to the tenths place

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CCSS.5.NBT.A.4

What is the result of rounding 59.9 to the nearest whole number?

• 59

• 61

• 60

• 62

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CCSS.5.NBT.A.4

In the second method of rounding 59.9, what two digits are considered?

• 100

• 59

• 60

• 99

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What is the key concept demonstrated in all examples?

• Rounding to the nearest whole number

• Rounding down nines

• Rounding up nines

• Rounding to the nearest thousandth

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CCSS.3.NBT.A.1