๐Ÿงฎ Kindergarten ยท MathK.OA.A.3Unit 5: Addition within 10

Ways to make a number

Google Classroom

๐ŸŽฏ Objective: Students decompose numbers up to 10 into pairs in more than one way (5 = 4 + 1 = 3 + 2).

Lesson outline

  1. Shake-and-spill: shake 5 two-color counters and record red and yellow.
  2. Collect all the ways on a class chart.
  3. Students find ways to make 6 and 7.
  4. Exit: show two ways to make 8.

Lesson 4 of 6 in this unit. In the Lesson Planner this lesson takes 1โ€“3 class periods depending on your timetable: day 1 introduce & model, then practice, small-group reteach and a quick check.

๐Ÿ“ Standard

K.OA.A.3

Common Core State Standards for Mathematics, Kindergarten โ€” typical US scope & sequence

๐Ÿ Unit goals

  • Show addition with objects, fingers, drawings and equations
  • Solve add-to and put-together story problems within 10

โœ… Check for understanding

End with the exit ticket in the outline. Sort answers into got it / almost / not yet and start the next lesson with a 5-minute reteach for the โ€œnot yetsโ€.

Practice & resources on Thinkabara

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More lessons in โ€œAddition within 10โ€

  1. Putting together
  2. Plus and equals
  3. Addition story problems
  4. Ways to make a number
  5. Making 10
  6. Adding with 0 and 1

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