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Rounding DECIMALS

Rounding DECIMALS. I can …. Round decimal numbers. Self Assessment 5 - I can do it without help & teach others. 4 - I can do this with no help, but I don ’ t know if I can explain it. 3 - I can do this with a little help. 2 - I can do this with a lot of help! 1 - I don ’ t have a clue.

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Rounding DECIMALS

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  1. Rounding DECIMALS

  2. Ican… • Round decimal numbers Self Assessment 5- I can do it without help & teach others. 4- I can do this with no help, but I don’t know if I can explain it. 3- I can do this with a little help. 2- I can do this with a lot of help! 1- I don’t have a clue.

  3. Rounding with a Number Line 4.0 4.1 3.8 3.9 3.6 3.7 A number line can help you picture how to round a decimal!

  4. Rounding with a Number Line 4.0 4.1 3.8 3.9 3.6 3.7 The decimal 3.87 is closer to 3.9 than 3.8 3.87 Round 3.87 to the nearest tenth

  5. Rounding Decimals Find the number. Circle it. Look next door. 4 or less let it rest. 5 or more raise the score.

  6. Rounding Decimals Round to the nearest thousandth. Find your number. 3 6. 8 9 7 1 Circle the number in the thousandthsplace.

  7. Rounding Decimals Round to the nearest thousandth. Look next door. 3 6 . 8 9 7 1 Draw an arrow to the right of the number.

  8. Rounding Decimals Round to the nearest thousandth. 4 or less, let it rest. 3 6 . 89 7 1 1 is smaller than 4 so go let it rest.

  9. Rounding Decimals Round to the nearest thousandths. 4 or less, let it rest. 3 6 . 8 9 7 1 No Zero is needed at the end because it said to round to the thousandths place 3 6. 8 9 7

  10. Rounding Decimals Round to the nearest hundredth. Find your number. 3 5. 3 2 7 Circle the number in the hundredths place.

  11. Rounding Decimals Round to the nearest hundredth. Look next door. 3 5. 3 2 7 Draw an arrow to the right of the number.

  12. Rounding Decimals Round to the nearest hundredths. 5 or more, raise the score. +1 3 5. 3 2 7 Since 7 is greater than 5, add 1 to the 2.

  13. Rounding Decimals Round to the nearest hundredths. 5 or more, raise the score. +1 3 5. 3 2 7 3 5. 3 3

  14. Leading Digit Rounding Round to the leading digit (first non-zero you come to). Find your number. 0. 0 0 0 3 9 3 7 Circle the leading digit.

  15. Leading Digit Rounding Round to the leading digit. Look next door. 0. 0 0 0 3 9 3 7 Draw an arrow to the right of the circled number.

  16. Leading Digit Rounding Round to the leading digit. 5 or more, raise the score. +1 0. 0 0 0 3 9 3 7 Since 9 is greater than 5,add 1 to the 3.

  17. Leading Digit Rounding Round to the nearest leading digit. 5 or more, raise the score. +1 0. 0 0 0 3 9 3 7 0 . 0 0 0 4

  18. Your Turn to Try… Try the following problems on your white board. Round to the nearest hundredths Round to the nearest tenths 3.478 22.5972 3.5 22.60

  19. Ican… • Round decimal numbers Self Assessment 5- I can do it without help & teach others. 4- I can do this with no help, but I don’t know if I can explain it. 3- I can do this with a little help. 2- I can do this with a lot of help! 1- I don’t have a clue.

  20. Daily Check 3.4 in your math notebook • Round 12.087 to the nearest hundredth. • Round 35.951 to the nearest tenth. • Round 0.0509 to it leading digit. • Round 20.501745 to the nearest ten-thousandth.

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