1. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6

2. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 24

3. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12

4. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 97

5. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 3.114 – 29

6. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 3.114 – 29 85

7. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 3.114 – 29 4.8 x 47

8. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 3.114 – 29 4.8 x 47 376

9. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 3.114 – 29 4.8 x 47 5.72  4

10. Pre-Algebra Lesson 1.1 Find the value of each expression. 1.18 + 6 2.85 + 12 3.114 – 29 4.8 x 47 5.72  4 18

11. Pre-Algebra Lesson 1.1 Find the value of each expression. 6.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?

12. Pre-Algebra Lesson 1.1 Find the value of each expression. 6.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

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

14. Problem-Solving strategy: Make a Plan The Four-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?”

15. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 2. Plan See how the facts relate to each other.

16. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 2. Plan See how the facts relate to each other. Make a plan for solving the problem.

17. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 2. Plan See how the facts relate to each other. Make a plan for solving the problem. Estimate the answer.

18. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 3. Solve Use your plan to solve the problem.

19. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 3. Solve Use your plan to solve the problem. If your plan does not work, revise it or make a new plan.

20. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 4. Examine Reread the problem.

21. Problem-Solving strategy: Make a Plan The Four-Step Problem Solving Plan 4. Examine Reread the problem. Ask, “Is my answer close to my estimate?”

22. Problem-Solving strategy: Make a Plan The Four-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?”

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

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