Grade 2 · Mathematics
Quarter 2 · Week 8 · TEKS
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This Grade 2 mathematics lesson focuses on helping students determine the value of a collection of coins up to one dollar and use the cent symbol, dollar sign, and decimal point to name that value. Grounded in TEKS standards TEKS.MATH.2.05A and TEKS.MATH.2.05B, students will engage with concrete materials and real-world examples to build understanding of coin values and monetary notation.
Students should know the names and individual values of common US coins (pennies, nickels, dimes, quarters) and basic addition skills.
Introduce the common US coins: penny (1 cent), nickel (5 cents), dime (10 cents), and quarter (25 cents). Use real or play coins to show each coin and state its value clearly. Emphasize that the value of a coin is how much money it represents. Show how to count the value of multiple coins by adding their individual values.
Demonstrate how to find the total value of a collection of coins by adding the values of each coin. For example, a quarter (25¢) plus a dime (10¢) plus a penny (1¢) equals 36 cents. Use manipulatives or drawings to help students visualize the addition. Encourage students to group coins to make counting easier, such as combining nickels or dimes first.
Teach students the symbols used in money: the dollar sign ($), the cent symbol (¢), and the decimal point. Explain that the dollar sign is placed before the number when the amount is one dollar or more, and the cent symbol is used when the amount is less than one dollar. Show how to write amounts with a decimal point, for example, 36 cents is written as $0.36. Provide examples and non-examples to clarify correct usage.
Present simple real-world problems where students determine the value of coins to make a purchase or find change. For example, "If you have 3 dimes and 2 pennies, how much money do you have?" Guide students to count the coins, add their values, and write the total using correct notation. Encourage students to explain their thinking and check their work.
Students may confuse the value of coins or the symbols used to write money. For example, they might write 36¢ as 36$ or forget the decimal point in dollar amounts less than one dollar. Reinforce the difference between cents and dollars and the importance of the decimal point in monetary notation. Use examples and guided practice to correct misunderstandings.
You have 2 quarters, 1 dime, and 3 pennies. What is the total value of these coins? Write the amount using the dollar sign and decimal point.
First, find the value of each type of coin: 2 quarters = 25¢ + 25¢ = 50¢, 1 dime = 10¢, 3 pennies = 3¢. Add all values: 50¢ + 10¢ + 3¢ = 63¢. Since 63 cents is less than one dollar, write it as $0.63 using the dollar sign and decimal point.
The total value is 63 cents, written as $0.63.
Show students a variety of coins and ask if they know their names and values. Use a quick game where students identify coins by sight and say their value aloud.
Students examine coins passed around and share what they know about each coin's value.
This activity activates prior knowledge about coins and their values, preparing students to learn how to add coin values and write amounts correctly.
Provide students with sets of coins and ask them to find the total value of their collection. Guide them to add the values and write the total amount using symbols.
Students work in pairs or small groups to count coins and write the total value using $, ¢, and decimal points.
Hands-on exploration helps students practice counting coin values and using monetary notation in a concrete way.
Model counting coins and writing the total value on the board. Explain the use of the cent symbol, dollar sign, and decimal point with examples.
Students listen and take notes, then practice writing amounts shown by the teacher.
Direct instruction clarifies the correct way to count coins and write monetary amounts using symbols.
Present word problems involving coin collections and ask students to solve and write answers using correct notation.
Students solve problems independently or in pairs, then explain their reasoning to the class.
Applying skills to word problems deepens understanding and connects math to real-life situations.
Give a short quiz or exit ticket where students determine coin values and write amounts using symbols.
Students complete the assessment independently to demonstrate their understanding.
Assessment confirms mastery of counting coin values and using monetary notation as required by TEKS standards.
Students work in pairs or small groups to count coins and write the total value using $, ¢, and decimal points.
Name the value of a single dime.
A dime is worth 10 cents.
Write the value of 3 quarters using the dollar sign and decimal point.
3 quarters equal 75 cents, written as $0.75.
Explain why the decimal point is important when writing money amounts less than one dollar.
The decimal point separates dollars and cents, showing the amount is less than one dollar, for example, $0.75 means 75 cents.
Calculate the total value of 1 quarter, 1 nickel, and 4 pennies and write it correctly.
1 quarter = 25 cents, 1 nickel = 5 cents, 4 pennies = 4 cents; total is 34 cents, written as $0.34.
If you have 2 dimes and 3 nickels, what is the total value?
2 dimes = 20 cents, 3 nickels = 15 cents; total value is 35 cents.
Provide coin manipulatives for hands-on counting. Use visual aids showing coin values and symbols. Offer step-by-step guided practice with teacher support.
Use clear, simple language and visuals to explain coin names and values. Label coins with their values in cents. Use gestures and demonstrations to reinforce concepts.
Challenge students to create their own coin collections totaling specific amounts. Introduce word problems involving making change. Encourage students to explain multiple strategies for counting coins.
Encourage students to collect coins at home and practice counting their value. Ask them to write the total amount using the dollar sign, cent symbol, and decimal point and share their findings with family members.
In this lesson, students learned to determine the value of a collection of coins up to one dollar by adding their individual values. They also learned to use the cent symbol, dollar sign, and decimal point to write the value of coins correctly. Through hands-on activities, modeling, and problem solving, students developed skills to solve monetary transactions and represent money amounts accurately, meeting the TEKS standards for Grade 2 mathematics.
Use the exact standards alignment and retrieved-source provenance stored with this enrichment.