Lesson 4

Every Number Has Its Place

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Use DPP item O to practice the addition facts in Group F and the related subtraction facts. Ask students to explain their solution strategies. Include use of tools and the make-ten, use-ten, and thinking-addition strategies. Have connecting cubes readily available.

  1. 7 more cards;
    Possible response: 16 − 9 = 7
  2. 9 fewer cards;
    Possible response: 17 − 8 = 9

O. Compare Trading Cards

Solve and write a number sentence.

Mark, Jason, Darius, and Richard are looking at their trading card collection.

  1. Mark has 16 trading cards. Jason has 9 cards. How many more cards does Mark have?

    Number sentence __________________________

  2. Darius has 17 trading cards. Richard has 8 fewer cards than Darius. How many trading cards does Richard have?

    Number sentence __________________________

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