Lesson plan

4. Solve problems by finding one more (A)

teaches Common Core State Standards CCSS.Math.Content.K.CC.B.4c http://corestandards.org/Math/Content/K/CC/B/4/c
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1

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Lesson objective: Connect knowledge of counting and written numerals to finding one more than a given number.

This lesson provides an opportunity for students to apply their knowledge and understanding of one more to a real-life situation. Students are asked to find one more than a number, use pictures to represent it, then subitize or count to find one more using a 5-frame.

Key Concept students will use: 

  • When we count by ones, each number name we say is one more than the number name we just said.

Skills students will use:

  • Counting one-to one (Grade K, Unit 1)
  • Counting to tell "how many" are in a set of objects ( Grade K, Lesson 1)
  • Counting to find one more with pictures
  • Counting to find one more with numerals

Students engage in Mathematical Practice 1 (Make sense of problems and persevere in solving them) as they solve Ms. Romero's students' problem by helping them find how many crayons each student would have if they received one more.

Key vocabulary: 

  • 5-frame
  • before
  • more
  • number name

Special materials needed:

  • additional practice sheets
  • crayons
  • counters, if needed
  • pencils