NY Next Generation Math NY-2.MD.8.a

Math2nd GradeWork with time and money.

The Standard

Count a mixed collection of coins whose sum is less than or equal to one dollar.

New York State Next Generation Mathematics Learning Standards

Teacher's field guide

What Students Need to Do: Students find the total value of a collection containing different coins without exceeding one dollar. They switch counting patterns as coin values change and keep track of the running total.
What Mastery Looks Like: A student groups coins by value, begins with the largest values, and counts on accurately. For example, two quarters, three dimes, one nickel, and four pennies are counted as 89 cents.
Common Misconceptions: Students may count the number of coins instead of their values or use one skip-count pattern for every coin. They may confuse nickels and dimes or lose the running total when the coin type changes.
How to Assess It: Give the student two quarters, two dimes, three nickels, and six pennies. Ask for the total and an explanation of the counting order used.

Lesson moves

Build mixed coin collections with plastic coins, group like coins, and count from the greatest value to the least.
Ask students to compare two different coin collections worth the same amount and explain how both totals were found.
Play target total by drawing coin cards and trying to reach a named amount without going over one dollar.
Use a classroom menu to choose one item and count a mixed coin collection that pays the exact price.

Free download

$Preview of the NY-2.MD.8.a printable worksheet$

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