Lesson 4

Measuring Mass

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

Students will need 200 Charts readily available. Use DPP item K to practice the addition facts and related subtraction facts in Group F.

  1. 35 rocks

    A possible strategy:

     2 + 8  + 15 +  6 + 4  = 35
  2. 9 rocks. 15 − 6 = 9
    A possible strategy.

K. Rocks

Jerome has a collection of rocks that he collected from summer vacations. He made a data table of the colors of the different rocks in his collection.

  1. How many rocks does Jerome have in his collection? Show or tell how you solved the problem.


  2. How many more gray rocks does he have than red rocks? Show or tell how you solved the problem.



    3. Number sentence __________________________________