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* Calculating with Candy *. Curriculum for teaching Addition, Subtraction, and Estimation Caitlin Buzzell and Dena Raffa. Curriculum Context:. 1 st Grade Classroom (lessons and activities are easily adjustable for wide range of learning levels of children) Hartford Public Elementary School

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* Calculating with Candy *

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Calculating with candy l.jpg

* Calculating with Candy *

Curriculum for teaching Addition, Subtraction, and Estimation

Caitlin Buzzell and Dena Raffa


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Curriculum Context:

  • 1st Grade Classroom (lessons and activities are easily adjustable for wide range of learning levels of children)

  • Hartford Public Elementary School

  • Time Frame: 2 hours a day for about 6 days.


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Objectives:

  • Work individually, with peers and with more mature learners.

  • Students will be able to apply each area of math to real life situations.

  • Blooms Taxonomy Students will spend time on the understanding (describe, identify), application (interpret, solve, write), and synthesis (formulate, organize, write) stage.


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Objectives: (from CT Framework)

  • Students will be able to “use models and pictures to demonstrate understanding of equivalent forms of numbers .”

  • “Students will add, subtract with whole numbers, estimation and develop strategies for selecting the appropriate computational and operational methods for solving problems.”

  • “Students will use #’s to count, compare, order and use a variety of numerical representations to present, interpret, communicate and connect various kinds of numerical information.”


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Addition (Day 1&2):

  • Simple 1 digit addition worksheet to start of the unit

  • M&M Candy Activity (Individual):

    • Distribute packages of M&M’s and ask students to…

      • Count how many are in there cup.

      • Arrange by similar colors.

      • Count how many in each group then place in a line accordingly from least to most.


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Addition (Day 1&2):

M&M activity continued (Group):

  • Write on paper the addition sentence that represents your partner’s # plus your # and the total they equal together.

  • Combine the your M&M’s with your partners and:

    • Rearrange them by their color.

    • Recount them and put into new line accordingly from least to most.

      End unit with a 2 digit complex addition worksheet.


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Subtraction (Day 3&4):

  • Begin with easy worksheet.

  • Jellybean activity.

  • End with a more complex worksheet.


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Subtraction (Day 3&4):

Jellybean activity (Groups of 4):

  • Hand out 25 jellybeans to each group.

  • Pair up within the group.

  • One partner will remove certain amount from pile

  • Partner will write down sentence in word form the equation that just took place.


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Testing (Day 5):

  • Worksheet with 100 addition & subtraction problems

    • Receive a worksheet of 100 problems and compete with classmates to see how many they can accurately complete in a two minute period.

  • Around the World game

    • Students compete with one another to see who can correctly answer the problem on the flash card


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    Estimation (Day 6):

    • Give brief lesson on estimation:

      • Define estimation

      • Show examples

      • Take questions

  • Gumdrop activity:

    • Place children in groups of 4 or 5.

    • Have 10 jars at each table full of gumdrops in increments of 5

      (5, 10, 15, 20, 25)

    • Have children analyze and estimate how many are in each jar.

    • Then have them arrange in a line accordingly from least to most.


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