Lesson 4

Patterns in Addition and Subtraction

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

Read the problems aloud to the students. Ask students to explain their strategies.

  1. 3 + 6 = 9 times
  2. 5 + 6 = 11 times
  3. 4 + 7 = 11 pretzels

These problems provide practice with addition facts in Group C.

L. Word Problems for Facts

Solve each problem and write a number sentence.

  1. Ana takes swimming lessons on Tuesdays and Thursdays. This week she jumped off the diving board
    3 times on Tuesday. On Thursday she jumped off the board 6 times. How many times did she jump off the diving board this week?

    Number sentence: _________________

  2. On Tuesday Ana swam across the pool 5 times. On Thursday she swam across the pool 6 times. How many times did Ana swim across the pool this week?

    Number sentence: _________________

  3. Ana ate 4 pretzels before swimming and 7 pretzels after swimming. How many pretzels did she eat?

    Number sentence: _________________