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Warm-up 8/19

Warm-up 8/19. Lesson: Integer Practice and Combining Like Terms 6+11= 21-8= (-14)+19= 3+(-8)=. Menu Math Combining Like Terms. MENU Hamburger …………………………$1.85 Cheeseburger……………………..$2.15 Fries……………………………………$1.05 Sodas: Small…………………………..$0.95 Medium………………………$1.25

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Warm-up 8/19

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  1. Warm-up 8/19 • Lesson: Integer Practice and Combining Like Terms • 6+11= • 21-8= • (-14)+19= • 3+(-8)=

  2. Menu MathCombining Like Terms

  3. MENU Hamburger …………………………$1.85 Cheeseburger……………………..$2.15 Fries……………………………………$1.05 Sodas: Small…………………………..$0.95 Medium………………………$1.25 Large…………………………..$1.55 Extra-Large………………….$2.10 h + f = c + f + s = 7f = 3h + c + f + 3x = 4c + 3f + s + m + l 3c + 3d = $11.10 What does “d” equal?

  4. On your own… Three customers placed the following orders. Tell what each customer ordered and the cost of each order. Customer 1: 3h + 3f What did customer 1 order? How much did it cost? Customer 2: 3h + f What did customer 2 order? How much did it cost? Customer 3: 3(h+f) What did customer 3 order? How much did it cost?

  5. What if I gave you the ORDERS and you had to come up with the algebraic expressions? • Example: I want ______________, ______________, and ______________. Oh and _______________.

  6. SHARE OUT: 3. I want a cheeseburger and an order of fries with a medium soda, my son wants two hamburgers and an order of fries, and a medium soda, and my daughter wants a cheeseburger, an order of fries and a large soda. Oh yeah, and my husband wants two orders of fries, a cheeseburger and a large soda. SIMPLIFY this order. This means combine all of the “like terms” (hamburgers with hamburgers, etc.) so the drive-through person knows how many of each item to make.

  7. SHARE OUT: 4. Let’s see… I think I’d like three hamburgers and a cheeseburger, three fries, a large soda, two medium sodas, and an extra large soda. Add on another order of fries to that. OOOOPS! Make one of those hamburgers a cheeseburger. SIMPLIFY this order. This means combine all of the “like terms” (hamburgers with hamburgers, etc.) so the drive-through person knows how many of each item to make.

  8. For your DICTIONARY… Term Definition Example When you rewrite an expression so all of your “hamburgers” are with “hamburgers” Combining Like Terms 3x + 5y + x +m+ m = 4x + 5y + 2m

  9. ASSIGNMENT:Combining Like Terms PRACTICE • Directions: • Different members of the same family placed the following orders. • Simplify the orders by combining like terms. • (2h + f) + (c + f + s) + (h + m + f) = • (x + c) + (2f + c + x) + (m + 2f + c) = • (h + x + f) + (h + x + f) + (h + x + f) = • (3h + m) + (2c + f + m) + (c + m + 2f) = • (4c + f + m) + (3h + f + m) – h + c = • (3h + 2f + x) + (c + f + m) – (h + m + f) = • (5h + 3f + 2m) – (h + f + m) + (c + 2x) = • (3h + f + x) + (h + f + m) – (h + f) + c =

  10. Combining Like Terms Answers • 3h+3f+c+s+m • 2x+3c+4f+m • 3h+3x+3f or 3(x+h+f) • 3h+3m+3c+3f • 5c+2f+2m+2h • 2h+2f+x • 4h+2f+m+2x+c • 3h+f+x+m+c

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