Lesson 4

Our Favorite: A Data Collection Lab

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Use DPP item M to practice addition facts and determining the unknown number in an addition or subtraction sentence relating three whole numbers for the facts in Group D.

  1. 15 − 7 = 8 to use addition to solve the problem 7 + 8 = 15
  2. Possible response:

M. Subtraction Strategies

  1. Annie and her mom picked apples. Her mom needs at least 15 apples to make a pie. Annie has
    7 apples in her basket. How many more apples does her mom need to be able to make a pie?

    Write a subtraction number sentence for the problem.



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  2. Show how to solve the problem using the number line.