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Published byMarlene Gallagher Modified over 7 years ago

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Example 1: Round the following number to the nearest hundred. 5,368

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= 5,400 5,368 Example 1 continued: Round the following number to the nearest hundred. or

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Example 3: Round the following number to the nearest million. 2,036,194 Step 1: Underline the million’s place. Step 2: Look at the number to the right of the 2. Step 3: The two stays the same in this case. Step 4: All numbers to right of the underlined number turn into zeros. number turn into zeros. = 2, 000,000

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Example 4: Round the following number to the nearest ten. 496 Step 1: Underline. Step 2: Look to the right of 9. Step 3: Round the 9 up to 10 and carry the 1 over to the 4, making it a 5. to the 4, making it a 5. Step 4: All numbers to right of the underlined number turn to zero. number turn to zero. = 50 0 Let’s practice!

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Round the following numbers to each underlined place. 1. 4,157 3. 6,014,881 5. 7,971,015 7. 125,652 2. 86,303 4. 562 6. $433.29 8. 71,407 4,200 6,000,000 560 8,000,000 126,000 90,000 $430.00 71,410

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Part 3: Rounding Decimals

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Example 1: Round the following decimal to the nearest hundredth. 1.252 Step 1: Underline. Step 2: Look to the right of 5. Step 3: The 5 stays the same. = 1.25 Step 4: Cut off all numbers on the right of the underlined number. underlined number.

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Example 2: Round the following decimal to the nearest tenth. 9.473 Round the 4 to a 5, and remove all the numbers to the right of the underline. = 9.5

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Example 3: Round the following money amount to the nearest penny. $3.9981 Round the 9 to a 10. Carry the 1 to make the next 9 a 10. Carry that 1 to change the 3 into a 4. = $4.00 Cut off the 8 and 1. Let’s practice!

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Round the following decimals to each underlined place. 1. 8.5 3. 3.781 5. 9.865 7. $7.4951 2. 0.624 4. 1.7316 6. 0.952 8. $862.99 90.62 3.8 1.732 9.871 $7.50$860.00

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Round the following numbers to the place indicated. 1. thousandths; 0.0644 3. hundredths; 4.888 5. thousandths; 2.7515 7. nearest penny; $55.386 2. tenths; 0.798 4. tenths; 114.34 6. hundredths; 4.996 8. nearest dime; $65.46 0.064 4.89 2.752 $55.39 0.8 114.3 5 $65.50

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