Order of Operations Students will read word problems and make algebraic expressions.

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Presentation transcript:

Order of Operations Students will read word problems and make algebraic expressions.

Order of Operations P lease *Always done first P lease *Always done first E xcuse E xcuse M y *Remember to do multiplication and division from left to right. M y *Remember to do multiplication and division from left to right. D ear D ear A unt *Remember to do addition and subtraction from left to right A unt *Remember to do addition and subtraction from left to right S ally S ally

Complete these problems on your own paper. Complete these problems on your own paper.5x6-2(4+7)=12/2x6-15=125/5+(2x7)=3+3(4)-15=

Now we are going to look at word problems and make algebraic expressions Now we are going to look at word problems and make algebraic expressions Algebraic expressions are Algebraic expressions are x4= x4=

Jane’s mother gave her $50 for her birthday. Jane’s father gave her 3 envelopes that had $20 in each one. Jane spent $25 at the movies. How much did Jane have left over the next day? Jane’s mother gave her $50 for her birthday. Jane’s father gave her 3 envelopes that had $20 in each one. Jane spent $25 at the movies. How much did Jane have left over the next day? What are your numbers? What are your numbers? $50 3 $20 $25 What are your operations? What are your operations? + x - How would you put them together? How would you put them together?50+3x20-25=85

Try another one Four friends split $100. Three friends pooled their money together to buy a new video game that came out. How much money did the three friends spend on the video game? Four friends split $100. Three friends pooled their money together to buy a new video game that came out. How much money did the three friends spend on the video game? What are the numbers? What are the numbers? 4 $100 3 What are the operations? What are the operations? / x How would you put them together? How would you put them together?100/4x3=75

Work these out on your own paper At the beginning of the school year the Student Council had $55 in the treasury fund. They held a bake sale and earned $32. Then they paid a company to make their t- shirts for $60. At the end of the year the members of Student council paid $20 to the treasury fund. How much money did they at the end of the year? At the beginning of the school year the Student Council had $55 in the treasury fund. They held a bake sale and earned $32. Then they paid a company to make their t- shirts for $60. At the end of the year the members of Student council paid $20 to the treasury fund. How much money did they at the end of the year? The student council held a fundraiser and made $150. Then they charged all 6 members $10 each. How much money did the student council end up with? The student council held a fundraiser and made $150. Then they charged all 6 members $10 each. How much money did the student council end up with?

The Ravens scored a touchdown for 6 points. Then they scored 4 more touchdowns at 6 points per touchdown. The Ravens then scored three field goals at 3 points per field goal. How many points did they score all together? The Ravens scored a touchdown for 6 points. Then they scored 4 more touchdowns at 6 points per touchdown. The Ravens then scored three field goals at 3 points per field goal. How many points did they score all together? The coyote cheerleaders went to a cheerleading competition. They scored 9 points from one judge. Three judges gave them 10 points each. The last judge gave them 8 points. How many points did they receive in all? The coyote cheerleaders went to a cheerleading competition. They scored 9 points from one judge. Three judges gave them 10 points each. The last judge gave them 8 points. How many points did they receive in all?

Challenge The admission fee for the fair is $12 for adults and $6 for children. A family of 2 adults and 5 children went to the fair. How much money did they spend to get it? The admission fee for the fair is $12 for adults and $6 for children. A family of 2 adults and 5 children went to the fair. How much money did they spend to get it?

Challenge Damien bought 3 pairs of pants for $12 each. He also bought 4 shirts for $7 each. Then Damien bought 2 hats for $4. He had a gift card for $25. How much of his money did he have to use? Damien bought 3 pairs of pants for $12 each. He also bought 4 shirts for $7 each. Then Damien bought 2 hats for $4. He had a gift card for $25. How much of his money did he have to use?

Challenge Hot dogs $1.50 Hot dogs $1.50 Burger $4.00 Burger $4.00 Nachos $2.75 Nachos $2.75 Frito Pie $2.50 Frito Pie $2.50 Cotton Candy $3.25 Cotton Candy $3.25 Soda $1.50 Soda $1.50 Water $1.50 Water $1.50 Charlie went to the concession stand and studied the menu for a few minutes. He was buying for his father, mother, and himself. He bought 3 cotton candies, 2 hotdogs, 1 burger and 3 sodas. How much money did he need in order to buy his food? Charlie went to the concession stand and studied the menu for a few minutes. He was buying for his father, mother, and himself. He bought 3 cotton candies, 2 hotdogs, 1 burger and 3 sodas. How much money did he need in order to buy his food?