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Lesson 8.3 Place Value: Hundreds, Tens, and Ones

Lesson 8.3 Place Value: Hundreds, Tens, and Ones Objective: To extend place-value concepts to 100. Math Journal 2, pages 156, 157 M y Reference Book , pages 156-158 Math Masters Game Master, page 360 Math Masters, page 224 Activity Sheets 13 and 14

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Lesson 8.3 Place Value: Hundreds, Tens, and Ones

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  1. Lesson 8.3 Place Value: Hundreds, Tens, and Ones Objective: To extend place-value concepts to 100. Math Journal 2, pages 156, 157 My Reference Book, pages 156-158 Math Masters Game Master, page 360 Math Masters, page 224 Activity Sheets 13 and 14 base-10 blocks, base-10 overhead blocks (optional) dice (2 per partnership) 20 pennies per partnership Home Link Masters (page 227) calculator number cards 0-9 (six of each card) 3" X 5" index cards (two per child)

  2. Beat the Calculator Materials: a calculator; a penny Number of Players: 3 Directions: One player is the "Caller," a second player is the "Calculator," and the third is the "Brain." Caller calls a problem or shows a math flash card. Does the Brain or Calculator answer faster? Discuss: Were the results surprising? Caller Calculator Brain

  3. Math Message Show 53 with base-10 blocks. Online base-10 blocks. 1 10 100

  4. Home Link 8.2 Follow-Up I can exchange 1 nickel for ____ pennies. I can exchange 1 dime for ____ pennies. I can exchange 1 dime for ____ nickels. I can exchange 1 quarter for ____ nickels. 0 1 4 6 5 9 8 2 7 3

  5. Math Message Follow-Up Online base-10 blocks. Why are 4 longs and 13 cubes equivalent to 5 longs and 3 cubes? 100 1 10

  6. Online base-10 blocks. Display 2 flats, 4 longs, and 3 cubes on your place-value mat. 100 1 10 2 flats stand for 2 hundreds 4 longs stand for 4 tens 3 cubes stand for 3 ones What number do these base-10 blocks show?

  7. Online base-10 blocks. Display 1 flat, 4 longs and 6 cubes on your place-value mat. 100 1 10 .

  8. Online base-10 blocks. Display 2 flats and 6 cubes. 100 1 10

  9. Online base-10 blocks. Display 2 flats and 7 longs. 100 1 10

  10. Online base-10 blocks. Math Masters, page 224 Display 1 flat, 12 longs, and 6 cubes on your Place-Value Mat. 100 1 10 What number is shown?

  11. Online base-10 blocks. Display 2 flats, 15 longs, and 2 cubes on your place-value mat. 100 1 10 What number is shown?

  12. Online base-10 blocks. Display 1 flat, 3 longs, and 16 cubes on your place-value mat. 100 1 10 What number is shown?

  13. Online base-10 blocks. Display 3 flats and 12 cubes on your place-value mat. 100 1 10 What number is shown?

  14. Online base-10 blocks. Display 1 flat and 12 longs on your place-value mat. 100 1 10 What number is shown?

  15. Online base-10 blocks. Display 3 flats, 4 longs, and 10 cubes on your place-value mat. 100 1 10 What number is shown?

  16. Online base-10 blocks. Display 2 flats, 10 longs, and 5 cubes on your place-value mat. 100 1 10 What number is shown?

  17. Online base-10 blocks. Display 2 flats, 13 longs, and 15 cubes on your place-value mat. Show this number on your Place-Value Mat. Try to tell the number without making the exchanges. 100 1 10

  18. Math Journal 2, page 156 Hundreds, Tens, and Ones Riddles

  19. Playing Tric-Trac, Math Masters page 360

  20. Math Journal 2, page 157 Math Boxes

  21. Home Link Master, page 227

  22. Counting Base-10 Blocks with a Calculator First, take a small collection of cubes. Program your calculator to count by 1's. One partner counts each cube. The other partner counts on the calculator at the same time. The ones place in the number that is displayed on their calculator changes each time a cube is added. Make note of when the tens place changes. Why does the tens place change? When will the tens place change again? *Try counting longs by programming your calculator to count by 10s. Why doesn't the ones place change?

  23. Making and Comparing 3-digit numbers A variation of the Digit Game. Each partner takes three number cards and creates the largest 3-digit number he or she can. The partner with the larger number takes all of the cards. *Variation: Create the smallest number you can, and the partner with the smaller number takes all of the cards. Note: Use ten for every face card.

  24. Ordering Numbers with Base-10 Blocks Each child takes two index cards. Draw a 2-digit number on each card using and notation. When your group finishes, work together to order the cards by figuring out the number represented on each card. TG 692

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