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## Thursday, October 27 th

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**Thursday, October 27th**Warm Up Please take out your homework and complete warm up Did you write down your homework? Order from least to greatest 2.5, 2.51, 2 2. Change to decimal form**Corny Joke of the Day**Why didn’t the mummy have any friends? He was too wrapped up in himself**Schedule for the Week**Thursday: adding and subtracting decimal integers Friday: Adding and subtracting fraction integers Tuesday: Checkpoint**Fraction Test**Congrats to test Toppers**Retest?**• 75 and above you will complete a packet • 74 and below you are eligible for a reteach • Tuesday 11/1 will be the reteach • Wednesday 11/2 will be the retest**Retest Qualifications**• All Homework must from unit must be complete before you retake the test • Retest form • Retake packet must be complete before you retake the test**You need to tell**me by Tomorrow!!!**Homework Answers**Around the World**Question of the Day?!?!**How do add and subtract decimals that are positive and negative?!?!**66.8**+ 4.0 Decimal Review Use zero as a placeholder so that both numbers have the same number of digits after their decimal points. 70.8 Add each column just as you would add integers. Line up the decimal points.**Negative/Positive Review**Same sign add and keepDifferent sign subtractTake the sign of the farther numberThen it'll be exact! Change the minus to a plusChange the sign of nextThen all you do is add them upAs if it were a plus!**4.55**+ 11.30 Add. Estimate to check whether each answer is reasonable. 4.55 + 11.3 Line up the decimal points. Use zero as a placeholder. Add. 15.85 Estimate 5 + 11 = 16 15.85 is a reasonable answer.**6.44**+ 16.00 Add. Estimate to check whether each answer is is reasonable. 6.44 + 16 Line up the decimal points. Use zeros as placeholders. Add. 22.44 Estimate 6 + 16 = 22 22.44 is a reasonable answer.**8.330**+10.972 Add. Estimate to check whether each answer is reasonable. –8.33 + (–10.972) –8.33 + (–10.972) Think: 8.33 + 10.972. Line up the decimal points. Use zero as a placeholder. 19.302 Add. –8.33 + (–10.972) = –19.302 Use the sign of the two numbers. Estimate –19.302 is a reasonable answer. –8 + (–11) = –19**6.78**+ 13.20 Add. Estimate to check whether each answer is is reasonable. 6.78 + 13.2 Line up the decimal points. Use zero as a placeholder. Add. 19.98 Estimate 7 + 13 = 20 19.98 is a reasonable answer.**7.890**+13.852 Add. Estimate to check whether each answer is reasonable. –7.89 + (–13.852) –7.89 + (–13.852) Think: 7.89+ 13.852. Line up the decimal points. Use zero as a placeholder. 21.742 Add. Use the sign of the two numbers. –7.89 + (–13.852) = –21.742 Estimate –21.742 is a reasonable answer. –8 + (–14) = –22**Group Work**Add.Estimate to check whether your answer is reasonable. 2.–8.46 + (–19.2) 1. 6.98 + 14.27 –27.66; Estimate: -8 + (-19) = -27 21.25; Estimate: 7 + 14 = 21 Subtract.Estimate to check whether your answer is reasonable. 4. 24 – 3.8 6.72 – 4.16 3. 20.2; Estimate: 24 - 4 = 20 2.56; Estimate: 7 – 4 = 3