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Name: ______________________________Date: January 9, 2017Homeroom: 7th Grade Math:Unit: Expressions and EquationsPacket 70: Multiplication and Division InequalitiesObjectives: Scholars will be able to multiply and divide by negative numbers to solve one- and two-step inequalities. Agenda: Review Do Now6. Guided PracticeQuick Review!7. Independent PracticeMultiplying by a Negative Number8. Exit TicketDividing by a Negative Number9. Homework OverviewRules!Homework 70: Multiplication and Division InequalitiesDo Now: Quick Review!A negative number times a positive number is ___________________________A negative number times a negative number is _________________________-5 x 4 = ___________-3 x -9 = __________Solve the following equations. Show all of your work!2x + 4 = 12x3-1=10Multiplying by a Negative NumberConsider the following inequality:15 > 10Is this statement true or false? _______________________________If we multiply both sides by -2, we get:_______________ > _______________Is this statement true or false? _______________________________So to get a true statement when _________________________ by ___________________ numbers, we must __________________________ the sign!Dividing by a Negative NumberConsider the following inequality:20 > 10Is this statement true or false? _______________________________If we divide both sides by -2, we get:_______________ > _______________Is this statement true or false? _______________________________So to get a true statement when _________________________ by ___________________ numbers, we must __________________________ the sign!Rules!General Rule: If both sides of an inequality are divided or multiplied by the same negative number, then: becomes becomes becomes becomes Guided Practice-x3 ≥2-x5<4-7x > 21-2x ≤ 4-4b + 1 > 21-x3+3>6Independent PracticeDirections: Solve the following inequalities. Circle your final answer. You do not need to reverse all of the signs! Put a star next to the problems where the variable has a negative coefficient!x3<5z-9 ≥3-2x – 2 > 6x-15+3>6-x3-2 ≤ -525 x – 100 > 50x-2-2>82x + 4 – x > 52x + 8 > 106d + 4 < 52r3+6>95s + 4 ≤ 39-2x + 3 < 23-2a + 5 > 1737 > 2 + 5k2c + 4 ≥ -8-3y + 5 ≥ -7b5+2 ≤11-x5-10 ≤2-5a + 4 > 49Practice beyond Perfection-Turn in for Dollars!Name: ______________________________Date: January 9, 2017Homeroom: Ms. Petrozzi: (614) 725-96937th Grade Math:Unit: Expressions and EquationsPacket 70: Multiplication and Division InequalitiesRedo:Score: ________/5 _________% DNGA B C D FDirections: Solve and graph the following inequalities. Show all of your work and circle your final answer. You will not need to reverse the equal sign for all of these problems! Put a star next to the problems with a negative coefficient!x7<100-3b + 1 > 31y-10 ≥2-2x – 4 ≤ 6x-15+3>6-x3-2 ≤ -55x – 10 ≤ 602x + 8 ≥ 10-6z + 4 > -26-2f + 5 < 23Name: ______________________________Date: January 9, 2017Homeroom: 7th Grade Math:Unit: Expressions and EquationsPacket 70: Multiplication and Division InequalitiesDirections: Answer the following questions. Circle your final answers. When you finish the exit ticket, place it face down on your desk and assign yourself to your advanced work or an independent reading book. -2r + 6 > 182q + 5 < -5k5+3 ≥10 -q6+8 ≤12-252095835660Self-Assessment: _______ Test-Ready _______ More Practice ________ Help!Mastery: ___________/4 Mastered Progressing Not-Mastered0Self-Assessment: _______ Test-Ready _______ More Practice ________ Help!Mastery: ___________/4 Mastered Progressing Not-Mastered ................
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