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Rounding Whole Numbers and Decimals

Rounding Whole Numbers and Decimals. WE ARE LEARNING TO: We will be able to round whole numbers and decimals. Check out what Moby thinks of rounding. BrainPop Rounding Video- Click Here. Rounding Whole Numbers Remember the 4 steps . STEP 1:

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Rounding Whole Numbers and Decimals

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  1. Rounding Whole Numbers and Decimals WE ARE LEARNING TO: We will be able to round whole numbers and decimals

  2. Check out what Moby thinks of rounding BrainPop Rounding Video- Click Here

  3. Rounding Whole NumbersRemember the 4 steps • STEP 1: • Underline the digit in the place to be rounded. • STEP 2: • Look at the digit to the right of the underlined digit • STEP 3: • If the digit is five or above… give it a shove (add 1 to the underlined digit) • STEP 4: • Replace all digits after the underlined digit with zeros

  4. Rounding DecimalsRemember the 4 steps • STEP 1: • Underline the digit in the place to be rounded. • STEP 2: • Look at the digit to the right of the underlined digit • STEP 3: • If the digit is five or above… give it a shove (add 1 to the underlined digit) • STEP 4: • Drop the digit after the underlined digit

  5. Let’s try one… Mrs. Bogusch has a pair of Beats headphones. She told the students she would sell it to them for $147 rounded to the nearest ten. How much would you pay to own the Beats? ANSWER: $150

  6. How about this one… Mrs. Kilgallon has a nice gently used Copper Mini Car. She told the students she would sell it to them for $13,349 rounded to the nearest hundred. How much would you pay to own the car? ANSWER: $13,300

  7. How about this one… Mrs. Cassner has a rainbow loom. She told the students she would sell it to them for $17.89 rounded to the nearest tenth. How much would you pay to own the loom? ANSWER: $17.90

  8. Try a few on your own Step 1- Underline the digit in the place to be rounded Step 2- Look at the digit to the right of the underlined digit Step 3- If the digit to the right is 5 or greater, add 1 to the underlined digit Step 4- Replace all digits after the underlined digit with zeros • 1. 765 Answer: 800 • 2. 106,950 Answer: 107,000 • 3. 5,750 Answer: 5,800 • 4. 692,300 Answer: 690,000 • 5. 3,750 Answer: 5,400

  9. Real-World Problem The table below shows a what a 95-pount 5th grader would weigh on the Sun and on different planets Round the weight of each place to the following place indicated: 1. Mars- tenths 2. Jupiter- tens 3. Sun- thousands 4. Jupiter-tenths

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