Penny: Copper-colored coin worth 1 cent (1¢)
Nickel: Silver-colored coin worth 5 cents (5¢)
Dime: Silver-colored coin worth 10 cents (10¢)
Quarter: Silver-colored coin worth 25 cents (25¢)
- Identify the coin: Look at size, color, and features
- Recall the value: Remember each coin's value
- Count multiples: Use skip counting when needed
- Add totals: Sum all coin values together
Penny: Small copper-colored coin worth 1 cent (1¢). Also called a "cent."
- Identify the coin (penny)
- Recall its value (1¢)
- Write the total (1¢)
1 American penny
1 penny = 1¢
Total value = 1¢
The value is 1 cent (1¢)
• Single coin value: 1 penny = 1¢
• Unit notation: Use ¢ for cents
• Simple multiplication: 1 × 1¢ = 1¢
Nickel: Large silver-colored coin worth 5 cents (5¢).
3 American nickels
Each nickel = 5¢, so 3 nickels = 3 × 5¢ = 15¢
Total value = 15¢
The total value is 15 cents (15¢)
• Counting rule: Number of nickels × 5¢ = Total value
• Unit notation: Use ¢ for cents
• Multiplication: 3 × 5 = 15
Dime: Small silver-colored coin worth 10 cents (10¢).
4 American dimes
Each dime = 10¢, so 4 dimes = 4 × 10¢ = 40¢
Total value = 40¢
The total value is 40 cents (40¢)
• Counting rule: Number of dimes × 10¢ = Total value
• Unit notation: Use ¢ for cents
• Multiplication: 4 × 10 = 40
Mixed coins: Count each type separately, then add totals.
2 quarters = 2 × 25¢ = 50¢
3 dimes = 3 × 10¢ = 30¢
50¢ + 30¢ = 80¢
Total value = 80¢
The total value is 80 cents (80¢)
• Separation rule: Count each coin type separately
• Addition rule: Add all coin values together
• Order doesn't matter: Addition is commutative
Comparison: Calculate each person's total and compare.
4 dimes = 4 × 10¢ = 40¢
1 quarter = 1 × 25¢ = 25¢
40¢ > 25¢, so Alex has more money
Alex has more money than Sam
Alex has more money (40¢ vs 25¢)
• Calculate rule: Find total value for each person
• Compare rule: Use >, <, or = to compare amounts
• More is better: Higher value means more money