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Mastering Subtraction with Additive Inverse Rule in Integers

This week's math objective is to practice using the additive inverse rule to solve subtraction problems involving integers. Students will first tackle large integer subtraction worksheets before demonstrating their understanding through a quiz on the additive inverse method. Daily starters will include transforming subtraction into addition by using the opposite of the second number. Homework will consist of several practice problems and reflections to solidify skills. This comprehensive approach will prepare students for future integer multiplication concepts as well.

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Mastering Subtraction with Additive Inverse Rule in Integers

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  1. Math objective: Practice using the additive inverse rule to solve subtraction of integer problems. Math 2/27/2012 Monday Homework: turn in #27-29 pg 36-37 (if you didn’t turn in 2.4 and #23-26 pg 36 last week) Begin Subtraction worksheet Homework: Subtracting large integers worksheet Quiz on Wednesday Starter: Agenda: Use the additive inverse rule to change subtraction to additions and the second number to its opposite for each of the following • -12 - 26 = • 18- (-7) = • -34 – (-19) = +31 – (+13) = Week 3

  2. Math objective: Practice using the additive inverse rule to solve subtraction of integer problems. Math 2/28/2012 Tuesday Starter: Agenda: Homework: Subtracting large integers worksheet Begin 3.1 pg 44,45 Homework: Refection pg 41 IQIA Quiz tomorrow on rules and using the additive inverse method Use the additive inverse rule to change subtraction to additions and the second number to its opposite for each of the following • -18 - 5 = • 21- (-17) = • -14 – (-9) = • +31 – (+41) = Week 3

  3. Math objective: Using the additive inverse rule solve subtraction of integer problems-assessment Math 2/29/2012 Wednesday Agenda: Starter: Quiz today Turn in Homework: Refection pg 41 IQIA Complete 3.1 pg 44,45 Homework: #1-3 pg50-51 • Use the additive inverse rule to solve: • 55 - (-77) = • - - 9 • - - -1199 Week 3

  4. Math objective: discover through the use of a number line and times in the past and future, what happens when you multiply integers Math 3/01/2012 Thursday Starter: Agenda: Turn in: Homework #1-3 pg50-51 Finish 3.1 and turn in (10 min.) Summarize (10 min) Begin 3.2 (10 min.) Homework: #4-6 pg 51 Please get out 3.1 According to the number sentences in 3.1, A 1-5 Answer the following • (+4) x (+4)= • (+2) x (-3) = • (-2) x (-3) = Week 3

  5. Math objective: Math 3/02/2012 Friday Starter: Agenda: • No School/Non-student Day • Teacher In-service Day Week 3

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