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Lesson 9.1 Tens and Ones Patterns on the Number Grid

Lesson 9.1 Tens and Ones Patterns on the Number Grid Objective: To provide experiences counting by 1's and 10's on the number grid in preparation for adding and subtracting on the number grid. Math Journal 2, pages 176, 177, and inside the back cover My Reference Book,

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Lesson 9.1 Tens and Ones Patterns on the Number Grid

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  1. Lesson 9.1 Tens and Ones Patterns on the Number Grid Objective: To provide experiences counting by 1's and 10's on the number grid in preparation for adding and subtracting on the number grid. Math Journal 2, pages 176, 177, and inside the back cover My Reference Book, Teaching Masters pages 110 and 249 Math Masters, page 249, 250, 251 calculator Number-Grid Poster scissors tape or glue slate Home Link Master, page 253 envelopes number cards 0-9 from the Everything Math Deck Note: Some slides have animation that only works in slide show mode, not normal mode.

  2. Mental Math and Reflexes 9.1 Beat the Calculator Emphasize: doubles, near doubles, and sums of 10 facts. Beat the Calculator Materials: a calculator; a penny or a random-number generator (optional); 1 Fact Power Table (optional) Number of Players: 3 Directions: One player is the "Caller," a second player is the "Calculator," and the third is the "Brain." The "Caller" selects a fact problem by dropping a penny on Game Master 7 or by using a random-number generator to create an addition-fact problem. The "Calculator" then solves the problem with a calculator while the "Brain" solves it without a calculator. The "Caller" decides who got the answer first. Players trade roles every 10 turns or so. Brain Caller Calculator

  3. Math Message Count to yourself by 10s Start at 57 Write down how far you counted for discussion later. Teacher Space to Record Class count --begin at 57 --go over 100 --go backwards to 7

  4. Teaching Master 9.1 Number Grid Look for patterns on the number grid inside the back cover of your journals. Link--Teacher Guide page 743 (bottom)

  5. Teaching Master, page 251 Naming Hidden Numbers on the Number Grid Use to cover numbers on grid:

  6. Teaching Master, Page 250 Framed Number Grid

  7. Math Journal 2, page 176 Completing a Number Grid Hunt

  8. Making and Comparing 3-digit numbers 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. Partner One Note: do not use face cards. Partner Two

  9. Practice Using Digits to Make 3-digit Numbers 0 1 2 3 4 5 6 7 8 9

  10. Practice Using Digits to Make 2-digit Numbers 0 1 2 3 4 5 6 7 8 9

  11. Math Boxes 9.1 Math Journal 2, page 177

  12. Teaching Master, page 252 Practice Using Digits to Make Numbers

  13. Piecing Together a Number Grid Materials: Envelopes containing the pieces needed to put together a complete number grid. The pieces are cut apart and need to be put back together. Check your number grid against the inside back cover of the math journal. Describe how patterns helped assemble the grids.

  14. Number Scrolls Math Masters Page 110 What is a scroll? Pictures are on the next slide.

  15. What is a scroll? Pictures:

  16. Home Link Master, page 253

  17. Attachments number grid to 120.pdf

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