Chapter 3 Add and Subtract Decimals

1. Chapter 3 Add and Subtract Decimals

3. Show Animated math Module for lesson 3-1

5. Then complete: Show What you Know Vocabulary Builder

6. Lesson 3-1: Thousandths Date

7. Do after p. 105

10. Test Prep Lesson 3-1: Use your clicker to answer the following question:

11. Lesson 3-2: Place Value of Decimals Date

13. Test Prep Lesson 3-2: Use your clicker to answer the following question:

14. Lesson 3-3: Compare and Order Decimals Date

15. Watch animated math module • 3 Ways to Compare and Order Decimals • Use decimal model (draw a picture) • Use a number line • 3. Use place value (line decimals up vertically)

16. Test Prep Lesson 3-3: Use your clicker to answer the following question:

17. Lesson 3-4: Round Decimals Date

18. Rounding Rules Step 1 Step 2 Step 3 Unerline the digit in the place you want to round Drop the digits to the right of the underlined number If the digit to the right of the underlined number is: less than 5 keep the underlined number the same greater than 5 round the underlined number up 5 or more raise the score 4 or less let it rest

19. Round 0 . 437 to nearest hunderedth Round 0 . 437 to nearest tenth Round 11 . 815 to nearest whole number Round 14 . 603 to nearest hunderedth Round 14 . 603 to nearest whole number

20. Round 4.6821 to the nearest: • Whole Number (One) • Tenths • Hunderedths • Thousandths

21. Test Prep Lesson 3-4: Use your clicker to answer the following question:

22. Lesson 3-5: Decimal Addition Date

23. Draw a quick picture to add decimals Add 0.34 + 0.27 = _____

24. Add 2.5 + 2.8 = _____

25. Add 1.37 + 1.85 = _____

26. Test Prep Clicker Question Lesson 3-5:

27. Date Lesson 3-6: Decimal Subtraction with Base Ten Blocks

28. 0.84 – 0.56=

29. 2.82 – 1. 47 =

30. 3.17 – 0.2 =

31. Test Prep Clicker Question Lesson 3-6:

32. Date Lesson 3-7: Estimate Decimal Sum and Differences

33. Estimate using Rounding Benchmarks 0 0.25 0.75 0.50 1 8.78 _ 0.30 5 or more raise the score 4 or less let it rest 1.24 0.82 + 3.4

34. Rounding vs. Benchmark 2.08 0.56 + 0.41 6.17 _ 3.5 3.28 _ 0.86

35. Test Prep Lesson 3-7: Use your clicker to answer the following question:

36. Lesson 3-8: Add Decimals Date

37. Step 1: Estimate Step 2: Vertically line up the place values 52.7 + 0.36 = Step 3: Add

38. Test Prep Lesson 3-8: Use your clicker to answer the following question:

39. Lesson 3-9: Subtract Decimals Date

40. Step 1: Estimate Step 2: Vertically line up the place values 13.2 – 8.04 = 5.2 – 3.6 = Step 3: Subtract

41. Test Prep Lesson 3-9: Use your clicker to answer the following question:

42. Lesson 3-10: Patterns with Decimals Date

43. Step 1: Look for a pattern is the sequence increasing or decreasing Step 2: Write a rule that describes the sequence Step 3: Extend the sequence to solve the problem 2.3, 3.5, 4.7, 5.9, __, __ Rule: 6.70, 5.60, 4.50, _____, 2.30, 1.20 Rule:

44. Test Prep Clicker Question Lesson 3-10:

45. Lesson 3-11: Add and Subtract Money Date

47. Test Prep Lesson 3-11: Use your clicker to answer the following question:

48. Lesson 3-12: Choose a Method Date

49. N – 1.15 = 1.10 N + 1.55 = 1.91 14.21 + N + 15.88 = 31.88

50. Test Prep Lesson 3-12: Use your clicker to answer the following question: