Lesson 8

Workshop: Subtraction Practice

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
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The ongoing project, Hundreds of Coins, was introduced in Unit 1. Activities and possible prompts through Day 25 and Day 100 are included in Unit 1 Lesson 1. Encourage students to skip count using the number line to find the total amount in four jars. Alternatively, students can use a doubling strategy to find out how much is in 2 jars, then in 4 jars. Have coin jars from Unit 1 Lesson 1 and number lines readily available.

CC. Coin Jar

  1. How many pennies are in each jar?
  2. Do all the jars have the same number of coins?
  3. How much money do we have in each jar now?
  4. What number sentence shows the value of the coins in all four jars together?
  5. What should we write in the next space on the charts?
  6. Can we make trades today? Why or why not?