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2-N-4-1

Page history last edited by Tashe Harris 6 years, 1 month ago

2.N.4.1 Determine the value of a collection(s) of coins up to one dollar using the cent symbol. 


In a Nutshell

Students entering second grade can count by ones, fives and tens to calculate the value of a collection of coins.  In second grade, students will apply counting strategies to find the value of a collection of coins up to one dollar, but do NOT use the dollar sign ($) or decimal. Instead they use ONLY the cent sign. Second graders also begin to use quarters when determining the value of a collection of coins. In third grade, students will use addition to determine the value of a collection of coins up to one dollar using the cent symbol and a collection of bills up to twenty dollars.

Student Actions

Teacher Actions

  • Develop accurate fluency for computing collection of coins problems through a sophisticated understanding of counting strategies.

  •  Develop a deep and flexible conceptual understanding of operations with coins while making mathematical and real-world connections (e.g., modeling amounts of money using quarters, dimes, nickels and pennies to show a given amount in more than one way).

  • Connect mathematical representations to deepen understanding of determining the value of a collection of coins.

  • Build procedural fluency from conceptual understanding as students solve problems involving coins up to one dollar.

Key Understandings

Misconceptions

  • Identify and know the value of a quarter.

  • Find the value of a group of quarters, dimes, nickels and pennies.

  • Use the ยข symbol properly.

  • The value of a coin is related to its size; the larger the coin, the greater the value.

  • The number of coins in the collection is the only determinant of its value.

  • A nickel is a quarter or vice versa.

  • Counting the coins is the same as counting their value.


OKMath Framework Introduction

2nd Grade Introduction

2nd Grade Math Standards

 

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