3.4.C
The Standard
determine the value of a collection of coins and bills
Texas Essential Knowledge and Skills for Mathematics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students find the total amount in a mixed group of coins and bills. They count by coin and bill values, combine cents and dollars, and record the amount correctly.
What Mastery Looks Like
- Students accurately total mixed groups of bills and coins, including amounts greater than one dollar. They group equal coins, exchange 100 cents for one dollar, and use correct money notation.
Common Misconceptions
- Students may count the number of coins instead of their values. They may confuse nickels and quarters, or write 3 dollars and 5 cents as $3.5 instead of $3.05.
How to Assess It
- Give an exit ticket showing 2 one-dollar bills, 3 quarters, 2 dimes, 1 nickel, and 4 pennies. Ask students to write the total and show their counting steps.
Lesson moves
Ways to Teach It
Build five labeled collections with play money, then count each collection and record its value using a dollar sign and decimal point.
Explain in writing why counting bills first, then coins, can make a mixed collection easier to total.
Play Money Match: pair each picture card of coins and bills with the card showing its total value.
Use a classroom store menu to choose two items, pay with play money, and check whether the amount is exact.
Keep exploring
Related Standards
- 1.4.A
identify U.S. coins, including pennies, nickels, dimes, and quarters, by value and describe the relationships among them
- 2.5.B
use the cent symbol, dollar sign, and the decimal point to name the value of a collection of coins.
- 2.5.A
determine the value of a collection of coins up to one dollar; and
- 1.4.C
use relationships to count by twos, fives, and tens to determine the value of a collection of pennies, nickels, and/or dimes
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