Mathematics
Grade 2
15 min
Equivalent coins
Equivalent coins
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1
Introduction & Learning Objectives
Learning Objectives
Identify a penny, nickel, dime, and quarter.
State the value of each coin in cents.
Show an amount of money in at least two different ways.
Count a group of mixed coins up to 100 cents.
Determine if two sets of coins are equivalent.
Use the cent symbol (¢) correctly.
Want to buy a yummy apple for 25¢? 🍎 What coins could you use?
We will learn that different coins can equal the same amount. This is called being 'equivalent'. It is like a money superpower! 🦸
Real-World Applications
Buying a gumball from a machine.
Saving money in your piggy bank. 🐷
Paying for a cool sticker at the store.
Making sure you get the right change.
2
Key Concepts & Vocabulary
TermDefinitionExample
PennyA copper coin worth 1 cent (1¢).One penny buys one tiny piece of candy. 🍬
NickelA silver coin worth 5 cents (5¢).One nickel has the same value as 5 pennies.
DimeA small silver coin worth 10 cents (10¢).One dime is the same as 2 nickels.
QuarterA large silver coin worth 25 cents (25¢).One quarter can buy a bouncy ball. 🏀
ValueHow much money something is worth.The value of a dime is 10¢.
EquivalentThis means 'equal to' or 'the same as'.One dime is equivalent to ten pennies. They have the same value.
3
Core Formulas
Nickel Power
1 \text{ Nickel} = 5 \text{ Pennies}
One nickel is the same as five pennies. Both equal 5¢.
Dime Power
1 \text{ Dime} = 2 \text{ Nickels}
One dime is the same as two nickels. Both equal 10¢.
Quarter Power
1 \text{ Quarter} = 5 \text{ Nickels}
One quarter is the same as five nickels. Both equal 25¢.
4 more steps in this tutorial
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Challenging
A sticker costs 80¢. Maya paid for it using exactly 6 coins. Which combination of coins did she use?
A.8 dimes
B.2 quarters, 2 dimes, 2 nickels
C.3 quarters, 3 pennies
D.3 quarters and 1 nickel
Challenging
Three of these groups of coins are equivalent to 75¢. Which group is NOT?
A.3 quarters
B.7 dimes and 1 nickel
C.2 quarters, 2 dimes, 2 nickels
D.6 dimes and 3 nickels
Challenging
A gumball costs 2 nickels. How many gumballs can you buy if you have 2 quarters?
A.2 gumballs
B.5 gumballs
C.10 gumballs
D.4 gumballs
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