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4-4 Problem-Solving Skill

4-4 Problem-Solving Skill. Choosing an operation to solve a problem. . Read:. There are 9 rows on the Twisted Zipper roller coaster. Each row has 4 seats. Choose an operation to find how many people can ride the roller coaster at a time. U: P: S: C:. There are 9 rows.

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4-4 Problem-Solving Skill

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  1. 4-4 Problem-Solving Skill Choosing an operation to solve a problem.

  2. Read: • There are 9 rows on the Twisted Zipper roller coaster. Each row has 4 seats. Choose an operation to find how many people can ride the roller coaster at a time. • U: • P: • S: • C: There are 9 rows. There are 4 seats per row. You need to find the operation you should use to find how many people can ride the roller coaster at a time. There are groups with the same number in each group. So, multiply the number of rows by the number of seats per row. Multiply. 4 x 9 = 36 So, 36 people can ride the roller coaster at a time. Find 4 x 9 another way, for example, by using an array.

  3. Get out whiteboards! • Time to practice solving word problems.

  4. Read and Solve: • Jocelyn completed 28 problems for her math homework on Tuesday. She completed 17 more on Thursday than on Tuesday. How many problems did she complete on Thursday? • U: • P: • S: • C: Add. 28 + 17 = 45 problems.

  5. Read and Solve: • There are three jugglers in a circus. Each juggler can juggle 5 balls at a time. How many balls will they need for their act if they all perform at the same time? • U: • P: • S: • C: Multiply. 3 x 5 = 15 balls

  6. Read and Solve: • Park Street School has 98 students who have perfect attendance. West Glenn School has 64 students. How many more students have perfect attendance at Park Street? • U: • P: • S: • C: Subtract. 98 – 64 = 34 students

  7. Read and Solve: • Corey and his 2 friends earned $12 for doing yard work. How much money will each person get paid if they share the money evenly? • U: • P: • S: • C: Divide. 12 ÷ 3 = $4

  8. Exit Ticket • A lizard eats 6 crickets each day. How many crickets does it eat in one week? • Write what operation you need to use to solve, then solve the problem. Show your work!

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