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Rounding Decimals 5.NBT.A.4

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**Round to the nearest ten.**

Rounding Decimals Round to the nearest ten. 153 150 Today, we will learn about how to round decimals. First, let’s review how to round whole numbers. Here is the whole number 153. Let’s round to the nearest ten. Which digit is in the tens place? How many tens are in this number? 15 5 The digit to the right is a 3. Should we round up? No, we round up only when this number is 5 or more. So, 153 is nearest to 15 tens … Round to the nearest ten. … which is 150. So, 153 is nearest to 15 tens … Today, we will learn about how to round decimals. First, let’s review how to round whole numbers. No, we round up only when this number is 5 or more. … which is 150. 5 Let’s round to the nearest ten. Here is the whole number 153. Which digit is in the tens place? How many tens are in this number? 15 The digit to the right is a 3. Should we round up?

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**Round to the nearest hundred.**

Rounding Decimals Round to the nearest hundred. 2,8 7 1 2,9 0 0 Here is 2,871. Let’s round to the nearest hundred. Which digit is in the hundreds place? How many hundreds are in this number? 28 8 The digit to the right is a 7. Should we round up? Yes, we round up when this number is 5 or more. So, the nearest hundred is 29 hundreds … Round to the nearest hundred. … which is 2,900. So, the nearest hundred is 29 hundreds … … which is 2,900. Yes, we round up when this number is 5 or more. 8 Let’s round to the nearest hundred. Here is 2,871. Which digit is in the hundreds place? How many hundreds are in this number? 28 The digit to the right is a 7. Should we round up?

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**Round to the nearest thousand.**

Rounding Decimals Round to the nearest thousand. 3 9,5 1 2 4 0,0 0 0 Here is 39,512. Let’s round to the nearest thousand. Which digit is in the thousands place? How many thousands are in this number? 39 9 The digit to the right is a 5. Should we round up? Yes, we round up when this number is 5 or more. So, the nearest thousand is 40 thousands … Round to the nearest thousand. … which is 40,000. So, the nearest thousand is 40 thousands … … which is 40,000. Yes, we round up when this number is 5 or more. 9 Let’s round to the nearest thousand. Here is 39,512. Which digit is in the thousands place? How many thousands are in this number? 39 The digit to the right is a 5. Should we round up?

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 0.6 1 0.6 Now, let’s use the same strategy to round decimals. Here is 0.61. Let’s round to the nearest tenth. Which digit is in the tenths place? 6 How many tenths are in this number? The digit to the right is a 1. Should we round up? No, we round up only when this number is 5 or more. So, 0.61 is nearest to 6 tenths. Round to the nearest tenth. The answer is 0.6. So, 0.61 is nearest to 6 tenths. Now, let’s use the same strategy to round decimals. No, we round up only when this number is 5 or more. The answer is 0.6. 6 Let’s round to the nearest tenth. Here is 0.61. Which digit is in the tenths place? How many tenths are in this number? 6 The digit to the right is a 1. Should we round up?

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 5.9 Here is Let’s round to the nearest tenth. Which digit is in the tenths place? How many tenths are in this number? 58 8 The digit to the right is a 7. Should we round up? Yes, we round up when this number is 5 or more. So, is nearest to 59 tenths … Round to the nearest tenth. … which is 5.9. So, is nearest to 59 tenths … … which is 5.9. Yes, we round up when this number is 5 or more. 8 Let’s round to the nearest tenth. Here is Which digit is in the tenths place? How many tenths are in this number? 58 The digit to the right is a 7. Should we round up?

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 1.2 Here is Let’s round to the nearest tenth. Which digit is in the tenths place? How many tenths are in this number? 12 2 The digit to the right is a 4. Should we round up? No, we round up only when this number is 5 or more. So, rounds to 12 tenths … Round to the nearest tenth. … which is 1.2. So, rounds to 12 tenths … … which is 1.2. No, we round up only when this number is 5 or more. 2 Let’s round to the nearest tenth. Here is Which digit is in the tenths place? How many tenths are in this number? 12 The digit to the right is a 4. Should we round up?

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 3 6.3 Here is Let’s round to the nearest tenth. Which digit is in the tenths place? How many tenths are in this number? 362 2 The digit to the right is a 7. Should we round up? Yes, we round up when this number is 5 or more. So, rounds to 363 tenths … Round to the nearest tenth. … which is 36.3. So, rounds to 363 tenths … … which is 36.3. Yes, we round up when this number is 5 or more. 2 Let’s round to the nearest tenth. Here is Which digit is in the tenths place? How many tenths are in this number? 362 The digit to the right is a 7. Should we round up?

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 0.6 2 Here is This time, let’s round to the nearest hundredth. Which digit is in the hundredths place? How many hundredths are in this number? 61 1 The digit to the right is a 7. Should we round up? Yes, we round up when this number is 5 or more. So, is nearest to 62 hundredths … Round to the nearest hundredth. … which is 0.62. The digit to the right is a 7. Should we round up? … which is 0.62. Yes, we round up when this number is 5 or more. So, is nearest to 62 hundredths … 1 Here is This time, let’s round to the nearest hundredth. Which digit is in the hundredths place? How many hundredths are in this number? 61

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 4.3 8 Here is Let’s round to the nearest hundredth. Which digit is in the hundredths place? How many hundredths are in this number? 438 8 The digit to the right is a 1. Should we round up? No, we round up only when this number is 5 or more. So, rounds to 438 hundredths … Round to the nearest hundredth. … which is 4.38. So, rounds to 438 hundredths … … which is 4.38. No, we round up only when this number is 5 or more. 8 Let’s round to the nearest hundredth. Here is Which digit is in the hundredths place? How many hundredths are in this number? 438 The digit to the right is a 1. Should we round up?

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 0.2 4 Here is Let’s round to the nearest hundredth. Which digit is in the hundredths place? How many hundredths are in this number? 24 4 The digit to the right is a 3. Should we round up? No, we round up only when this number is 5 or more. So, rounds to 24 hundredths … Round to the nearest hundredth. … which is 0.24. So, rounds to 24 hundredths … … which is 0.24. No, we round up only when this number is 5 or more. 4 Let’s round to the nearest hundredth. Here is Which digit is in the hundredths place? How many hundredths are in this number? 24 The digit to the right is a 3. Should we round up?

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**Round to the nearest thousandth.**

Rounding Decimals Round to the nearest thousandth. Here is Let’s round to the nearest thousandth. Which digit is in the thousandths place? How many thousandths are in this number? 7 The digit to the right is a 2. Should we round up? No, we round up only when this number is 5 or more. So, is nearest to 7 thousandths … Round to the nearest thousandth. … which is So, is nearest to 7 thousandths … … which is No, we round up only when this number is 5 or more. 7 Let’s round to the nearest thousandth. Here is Which digit is in the thousandths place? How many thousandths are in this number? 7 The digit to the right is a 2. Should we round up?

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**Round to the nearest thousandth.**

Rounding Decimals Round to the nearest thousandth. Here is Let’s round to the nearest thousandth. Which digit is in the thousandths place? How many thousandths are in this number? 461 1 The digit to the right is an 8. Should we round up? Yes, we round up when this number is 5 or more. So, is nearest to 462 thousandths … Round to the nearest thousandth. … which is So, is nearest to 462 thousandths … … which is Yes, we round up when this number is 5 or more. 1 Let’s round to the nearest thousandth. Here is Which digit is in the thousandths place? How many thousandths are in this number? 461 The digit to the right is an 8. Should we round up?

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Rounding Decimals Lightning Round

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 1.3 8 1.4

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 0.5

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**Round to the nearest tenth.**

Rounding Decimals Round to the nearest tenth. 3.9

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 0.0 7

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 0.1 4

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 5.2 7

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Rounding Decimals Closing Question

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**Round to the nearest hundredth.**

Rounding Decimals Round to the nearest hundredth. 3.5 2

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