Find the value of each expression

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Presentation transcript:

Find the value of each expression. 18 + 6 Lesson 1.2 Find the value of each expression. 18 + 6

Find the value of each expression. 18 + 6 24

Find the value of each expression. 18 + 6 85 + 12

Find the value of each expression. 18 + 6 85 + 12 97

Find the value of each expression. 18 + 6 85 + 12 114 – 29

Find the value of each expression. 18 + 6 85 + 12 114 – 29 85

Find the value of each expression. 18 + 6 85 + 12 114 – 29 8 x 47

Find the value of each expression. 18 + 6 85 + 12 114 – 29 8 x 47 376

Find the value of each expression. 18 + 6 85 + 12 114 – 29 8 x 47 72 ¸ 4

Find the value of each expression. 18 + 6 85 + 12 114 – 29 8 x 47 72 ¸ 4 18

Find the value of each expression. The sales figures for a business for the first quarter months were as follows. January $12,000 February $15,000 March $10,000 What were total sales for the first quarter?

Find the value of each expression. The sales figures for a business for the first quarter months were as follows. January $12,000 February $15,000 March $10,000 What were total sales for the first quarter? $37,000

5 Step Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 1. Explore Read the problem carefully.

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 1. Explore Read the problem carefully. Ask yourself questions like “What facts do I know” and “What do I need to find out?”

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 2. Translate Look for math operation words like Product, less, total, quotient

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 3. Plan See how the facts relate to each other. Make a plan for solving the problem.

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 3. Plan See how the facts relate to each other. Make a plan for solving the problem. Estimate the answer.

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 4. Examine Reread the problem. Ask, “Is my answer close to my estimate?” Ask, “Does my answer make sense for the problem?”

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 4. Examine If not, solve the problem another way.

Problem-Solving strategy: Make a Plan The 5-Step Problem Solving Plan 5. Did you answer the question? Read the wording, for example, was the question asking for time and you wrote the distance?

Application How long would it take to count to one million if it takes one second to say each number.