Grade 2: Understanding Value

Understanding Value

GENERATIVE TOPIC:

 We Calculate Value in Different Ways

עצם מעצמי

Essential Questions
  1. How do I know how much something is worth?
  2. What makes something valuable?
  3. What do you think everyone (or most people) value?
  4. What is valuable to me?
  5. Are cost and value the same? (is something expensive also more ‘valuable’)
Math Learning Goals
1. Students understand how to identify and evaluate Canadian coins and bills. Students notice that the amount that a coin is worth is actually written on the coin.
2. Students understand how to examine money from all around the world to determine its origin and value.
3. Students understand how to create a given amount by using different combinations of coins (e.g., using coins, come up with three different ways to make 55 cents).
4. Students understand how to use addition (counting by fives, or tens, to calculate amounts) and to count money by starting with the coin that is worth greatest amount.
5. Students understand how to use the strategy “add the tens, add the ones” and “perfect pair strategies” to combine/subtract various amounts of money.
Integration with Generative Topic
Students understand that we as individuals, and as communities, determine the value of things. Different factors can affect how valuable something is, and the value of something often determines its cost. For example, when there is a lot of snow, the cost of salt for the roads might go up because salt is considered very valuable. Or, if I am hiking in the desert, water may be more valuable than a winter jacket. 
But if I am hiking in the Arctic, the winter jacket will be more valuable than the water. In connection with learning about children around the world, students read the book “Beatrice’s Goat”. They explore why a goat is so valuable to Beatrice. The students then engage in a tikkun olam project to raise money to purchase a goat, or another item of need and of great value, for a community.

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Creating Value:

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Game Recording Sheet:

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Perfect Pair Worksheet:

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