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B ELL R INGER If I have 50 tootsie rolls, and I ate 10, how many would each of my 5 friends get if I separated them equally?

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Presentation on theme: "B ELL R INGER If I have 50 tootsie rolls, and I ate 10, how many would each of my 5 friends get if I separated them equally?"— Presentation transcript:

1 B ELL R INGER If I have 50 tootsie rolls, and I ate 10, how many would each of my 5 friends get if I separated them equally?

2 S OLVING W ORD P ROBLEMS Applying your knowledge of Equations

3 Cara is eight years older than Chuck. In five years, Cara will be twice as old as Chuck. How old is each?

4 S TEP 1 Read and reread the question. Questions to ask yourself: What do you know? What are you looking to find out? What types of operations are we using?

5 Cara is eight years older than Chuck. In five years, Cara will be twice as old as Chuck. How old is each?

6 S TEP 2 Choose a variable and label it clearly.

7 Cara is eight years older than Chuck. In five years, Cara will be twice as old as Chuck. How old is each? a = the age of Cara

8 S TEP 3 Make (or fill out) a table to organize your thoughts.

9 Cara is eight years older than Chuck. In five years, Cara will be twice as old as Chuck. How old is each? WHONOWIN 5 YEARS

10 S TEP 4 Write out an equation to represent the problem Keep in mind: What is my variable representing? What operations are necessary? Does this make sense?

11 Cara is eight years older than Chuck. In five years, Cara will be twice as old as Chuck. How old is each? WHONOWIN 5 YEARS

12 S TEP 5 Solve equation and write a sentence that describes your answer.

13 Cara is eight years older than Chuck. In five years, Cara will be twice as old as Chuck. How old is each? WHONOWIN 5 YEARS

14 E XAMPLE :C OINS Dave has 15 coins (a nickels and quarters). He has 4 times as many nickels as quarters. How many of each coin does he have? CoinNumber

15 E XAMPLE : C ONSECUTIVE NUMBERS When 3 consecutive numbers are added together, the result is 72. What is the middle number? Consecutive IntegerAlgebraic Expression

16 E XAMPLE Dan bought 4 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 38 cards left. How many cards did Dan start with?

17 S TEP 4 Solve your equation: Keep in mind: What are my inverse operations? Does my answer make sense?

18 E XAMPLE Dan bought 4 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 38 cards left. How many cards did Dan start with?

19 S TEP 5 Write out the proper answer: You need to express your answer appropriately Write a short sentence expressing your answer in terms of the variable.

20 E XAMPLE Dan bought 4 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 38 cards left. How many cards did Dan start with?

21 E XAMPLE (F INDING CONSECUTIVE NUMBERS ) The sum of 3 consecutive numbers is 33. What are the 3 numbers?

22 E XAMPLE 2 ( FINDING CONSECUTIVE SUMS ) The sum of 3 consecutive even numbers is 30. Determine the 3 consecutive even numbers.

23 T HAT ’ S A LL FOR T ODAY !!! Please Complete your DLIQ


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