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**Objective: TLW round numbers to the nearest 10 or 100. GLE# 12**

Math Flash Rounding Objective: TLW round numbers to the nearest 10 or 100. GLE# 12

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**Use rounding When the question asks you to estimate.**

“about how many”…? When an exact answer isn’t possible. When an answer is difficult to obtain.

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**Find your number. Look right next door. 4 or less just ignore.**

Memorize this Poem Find your number. Look right next door. 4 or less just ignore. 5 or more, add 1 more.

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**Round this number to the nearest tens.**

Find your number. 6 8 Circle the number in the tens place.

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**Round this number to the nearest tens.**

Look right next door. 6 8 Draw an arrow to the right of the number.

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**Round this number to the nearest tens .**

4 or less, just ignore. 6 8 8 is larger than 4 so go to the next line of the poem.

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**Round this number to the nearest tens.**

5 or more, add 1 more. +1 6 8 Add 1 to the 6.

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**Round this number to the nearest tens.**

5 or more, add 1 more. 7 0 Add 1 to the 6 and all the numbers to the right of the 7 become 0’s.

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The Answer 68 rounded to the nearest tens is 7 0

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**Round this number to the nearest hundred.**

Find your number. 3 2 7 Circle the number in the hundreds place.

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**Round this number to the nearest hundred.**

Look right next door. 3 2 7 Draw an arrow to the right of the number.

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**Round this number to the nearest hundred.**

4 or less, just ignore. 3 2 7 Since 2 is less than 4 we do not change the 3.

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**Round this number to the nearest thousand.**

4 or less, just ignore. 3 0 0 Change the numbers to right of 3 to 0’s.

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The Answer 327 rounded to the nearest hundred is 300

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**Round this number to the nearest dollar.**

Find your number. $ Circle the number where the dollars are.

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**Round this number to the nearest dollar.**

Look right next door. $ Draw an arrow to the right of the circled number.

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**Round this number to the nearest dollar.**

4 or less, just ignore. $ 8 is greater than 4 so go to the next line of the poem.

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**Round this number to the nearest dollar.**

5 or more, add 1 more. +1 $ Since 8 is greater than 5 add 1 to the 5.

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**Round this number to the nearest dollar.**

5 or more, add 1 more. $ Change the 5 to a 6 and change all the numbers to the right to 0’s.

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The Answer $5.87 rounded to the nearest dollar is $

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**Round this number to the nearest hundreds place.**

Find your number. 8 7 1 Circle the number in the hundreds place.

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**Round this number to the nearest hundreds place.**

Look right next door. 8 7 1 Draw an arrow to the right of the circled number.

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**Round this number to the nearest hundreds place.**

4 or less just ignore. 8 7 1 7 is greater than 4 so go to the next line of the poem.

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**Round this number to the nearest hundreds place.**

5 or more, add 1 more. +1 8 7 1 Since 7 is greater than 5, add 1 to the 8.

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**Round this number to the nearest hundreds place.**

5 or more, add 1 more. 900 Change the 8 to a 9 and all the numbers to the right change to zeros.

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The Answer 871 rounded to the nearest hundreds place is 900

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**Remember the poem Find your number. Look right next door.**

4 or less, just ignore. 5 or more, add 1 more.

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