1. Estimation Jar

Estimation Jar

Introduce the concept of making estimations using a jar, some items and Post-it® Notes.


  • Subject:

    Math

  • Topics:

    math, estimation, 2nd-6th grade

  • Materials:

    Post-it® Super Sticky Notes, a jar, a collection of like items & markers, pens or pencils

  • Grade Level:

    1st - 3rd Grade

  • Estimated Time:

    10 - 20 minutes

  • Author:

    Richelle Hodges

  • Estimation Jar Supplies
  • 1

    Gather a number of the same type of item like coins, marbles, pebbles or peas and place them in a clear jar.

    Gather a number of the same type of item like coins, marbles, pebbles or peas and place them in a clear jar.

  • 2

    Ask your students to estimate how many pieces are contained inside the jar. Have them write their guess on a Post-it® Note.

    Ask your students to estimate how many pieces are contained inside the jar

  • 3

    Ask your students post their guesses in order on a whiteboard or wall.
     

    Ask your students post their guesses in order on a whiteboard or wall.

  • 4

    After all guesses have been posted, ask your students to determine the maximum and minimum guess, the range of guesses and mode.

  • 5

    Finally, give the correct answer. Your students can see which guess was the closest.

education classroom_activities elementary estimation grade_2 grade_3 grade_4 grade_5 grade_6 math teachers notes super_sticky_notes

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