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# Sept. 18, 2013

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### Sept. 18, 2013

1. 1. September 18, 2013 Today Updates Warm-Up: Equation Practice Distributive Property Equations
2. 2. Updates: At the v6 math blog: 1. Updated test 1 scores from make-ups & re-scans. 2. Weekly Extra Credit Opportunity: Tuesday’s Teaser 3. Equation Solving Tutorial Posted Test #2: Tuesday, September 24th Topics: 1. Translation Word Problems 2. Equations—of all types we have covered
3. 3. Warm-Up; Equations 1. Together, a bat and ball cost \$1.10. The bat costs \$1.00 more than the ball. How much does each cost? Write an equation for the above problem. Solve. 2. Simplify: ( + ) + ( - ) + = + + - + = 2 +
4. 4. Warm-Up Pencils Down, Mental Math. Do not answer until I ask 1. 3x + 5 = 11 2. 2x - 4 = 6 5. 3x - 2 = 2x + 6 Last Warm-Up: Order of Operations 13 – (9 – 6) ÷ (6 – 4 + (5 – 2)2 ) Simplify
5. 5. Class Notes: Identifying the number of terms, like terms, coefficients, and constants in expressions and equations 1. 3 + 7x + 3x + x No. of Terms? Like Terms? Coefficients? Constants? 2. 2a + 5c – a + 6a 3. 7x – 3y + 3z - 2
6. 6. Solving Equations: -2/3 = x/6 + 1 ½ 1. Change any mixed fractions to improper fractions 2. Move those terms not connected to the variable first. 3. Isolate the variable by either multiplying or dividing on both sides. Variable on one side of the equation Variable on both sides of the equation -2/3 - x/3 = x/6 + 1 ½ 2. Figure out what side you want to move the variable to before moving other terms.
7. 7. Solving Equations using the Distributive Property Today’s Topics -(8d – 7) – 63 = 0 N = -36 Clearing Decimals from Equations
8. 8. Class Work: Handout Distributive Property Class Work:
9. 9. Multiplying Binomials Last Question: