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Published byAugustus Peters Modified over 7 years ago

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A DDING AND S UBTRACTING D ECIMALS

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E SSENTIAL Q UESTION AND I NFORMATION : How do I add and subtract decimals? Always line up decimals Add and subtract like you always do Bring decimal straight down in your answers

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A DDING D ECIMALS Examples: 4.55 + 11.3 Put the first number on the top of the second number and line up the decimals. 4.55 + 11.3 Add a place holder to help keep everything lined up 0 15.85 When adding or subtracting you always start from the right and work left.

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6.44 + 16 When there is no decimal put one behind the number. Line up the decimal 6.44 + 16. Add place holders to line up everything 22.44 00

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-8.33 + -10.972 -8.33 -10.972 Add a place holder to line up everything 0 Line up the decimal + -19.302

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S UBTRACTING D ECIMALS Examples: 5.34 -2.08 Put the first number on the top of the second number and line up the decimals. 5.34 -2.08 3.26

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28 – 15.911 When there is no decimal put one behind the number. 28. -15.911 Add place holders to line up everything, then subtract 000 799 80. 219

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0.57 4.625 8.75 Magic Square 6.3750.57 5.254.6254 2.258.752.875 The sum of each row, column, and diagonal must be the same. Sums to 13.875

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