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Objective: - to solve multiplication equations using the division property of equality - to solve division equations using the multiplication property of equality Multiplication and Division Equations How are addition and subtraction related? What about multiplication and division? Addition property of equality – Subtraction property of equality – Multiplication property of equality – Division property of equality – In general what do you notice about all 4 of these? Write the following as an equation, using y as your variable. An object on Jupiter weights about 2.6 times its weight on Earth. If a spacecraft weighs 4914 Newtons on Jupiter, what is its weight on Earth? Follow along 38x = 760 check: 1.7c = 25.5 ____= ______ ____=_______ ____= ______ ____=_______ check: Review: How do do II multiply multiply 55 by by How _1_ 5 Keep that in mind and follow along: _b_ = 120 15 ____= ______ check: z ÷ 13 = 650 check: ______=_______ ____= ______ ______=_______ With a partner try the following problems Keep in mind: What operation is being done? How can I undo that operation? Am I keeping my equation balanced? 8b = 0.2416 check: d ÷ 7.5 = 18.4 ____= ______ _______=_______ ____= ______ _______=_______ _d_ 38x = 274.2 0.6 check: n · 100 = 25 ____= ______ _______=_______ ____= ______ _______=_______ 200 = 80n check: f ÷ 22.3 = 6.6 ____= ______ _______=_______ ____= ______ _______=_______ check: check: check: