Grade 1
  1. Numbers and Counting  1.1. Counting to 10  1.2. Counting to 20  1.3. Counting to 50  1.4. Counting to 100  1.5. Writing Numbers 1 to 10  1.6. Writing Numbers 1 to 20  1.7. Writing Numbers 1 to 50  1.8. Writing Numbers 1 to 100  1.9. Reading Numbers 1 to 10  1.10. Reading Numbers 1 to 20  1.11. Reading Numbers 1 to 50  1.12. Reading Numbers 1 to 100  1.13. Comparing Numbers  1.14. Ordering Numbers  1.15. Odd and Even Numbers  1.16. Number Patterns  1.17. Skip Counting by 2s, 5s, and 10s  1.18. Understanding Zero
  2. Basic Addition and Subtraction  2.1. Understanding Addition  2.2. Addition Facts within 10  2.3. Addition Facts within 20  2.4. Adding Zero  2.5. Adding One More  2.6. Adding Two More  2.7. Adding Three More  2.8. Adding Using Pictures  2.9. Addition Word Problems  2.10. Understanding Subtraction  2.11. Subtraction Facts within 10  2.12. Subtraction Facts within 20  2.13. Subtracting Zero  2.14. Subtracting One  2.15. Subtracting Two  2.16. Subtraction Using Pictures  2.17. Subtraction Word Problems  2.18. Introduction to Doubles Facts  2.19. Introduction to Making 10
  3. Place Value and Number Sense  3.1. Understanding Tens and Ones  3.2. Counting by Tens  3.3. Place Value within 20  3.4. Place Value within 50  3.5. Place Value within 100  3.6. Reading and Writing Two-Digit Numbers  3.7. Comparing Two-Digit Numbers  3.8. Decomposing Numbers
  4. Measurement  4.1. Length  4.1.1. Comparing Lengths  4.1.2. Measuring with Non-Standard Units  4.1.3. Using Standard Units (Inches and Centimeters) in Length  4.2. Weight  4.2.1. Comparing Weights  4.2.2. Heavy and Light Objects  4.2.3. Introduction to Grams and Pounds  4.3. Capacity  4.3.1. Comparing Capacity  4.3.2. Full and Empty  4.3.3. Introduction to Liters and Milliliters  4.4. Time  4.4.1. Telling Time to the Hour  4.4.2. Telling Time to the Half Hour  4.4.3. Days of the Week  4.4.4. Months of the Year  4.4.5. Understanding Yesterday, Today, and Tomorrow  4.5. Money  4.5.1. Recognizing Coins  4.5.2. Counting Coins  4.5.3. Introduction to Dollar and Cents Symbols  4.5.4. Simple Addition and Subtraction with Money
  5. Geometry  5.1. 2D Shapes  5.1.1. Recognizing 2D Shapes  5.1.2. Drawing 2D Shapes  5.1.3. Naming 2D Shapes  5.1.4. Properties of 2D Shapes  5.1.5. Sorting 2D Shapes  5.1.6. Composing Simple Shapes  5.2. 3D Shapes  5.2.1. Recognizing 3D Shapes  5.2.2. Naming 3D Shapes  5.2.3. Properties of 3D Shapes  5.2.4. Sorting 3D Shapes  5.3. Position and Direction  5.3.1. Left and Right  5.3.2. Above and Below  5.3.3. Inside and Outside  5.3.4. Near and Far  5.3.5. In Front and Behind
  6. Patterns and Sorting  6.1. Recognizing Patterns  6.2. Extending Patterns  6.3. Creating Patterns  6.4. Sorting by Color  6.5. Sorting by Shape  6.6. Sorting by Size
  7. Data and Graphing  7.1. Introduction to Data  7.2. Collecting Data  7.3. Tally Marks  7.4. Bar Graphs  7.5. Picture Graphs  7.6. Interpreting Simple Graphs
  8. Fractions  8.1. Understanding Halves  8.2. Understanding Fourths  8.3. Dividing Shapes into Equal Parts  8.4. Identifying Equal and Unequal Parts

Grade 1 → Measurement → Money ↓


Simple Addition and Subtraction with Money


Understanding money is an important skill for everyone. We start learning about money in elementary school, and it is one of the most practical math skills. In Grade 1, students are introduced to money concepts through simple addition and subtraction. This helps them understand how to handle money in real life.

Understanding money

Money comes in different forms, such as coins and bills. Each type of money has a certain value. The coins we use most often are the penny, nickel, dime, and quarter. Let's take a look at these values:

  • Penny = 1 cent
  • Nickel = 5 cents
  • Dime = 10 cents
  • Quarter = 25 cents

Typically, bills represent dollars, which are equal to 100 cents. Common bills are as follows:

  • 1 dollar = 100 cents
  • 5 dollars = 500 cents
  • 10 dollars = 1000 cents

Adding money

Addition is the first thing you need to learn when learning math. Adding money is just like adding numbers. Let's look at an example.

Example 1: Adding coins

Suppose we have the following coins:

  • 2 nickels
  • 1 paisa
  • 1st quarter

How much money in total?

Nickel = 5 cents
Dime = 10 cents
Quarter = 25 cents
Total = (2 x 5 cents) + (1 x 10 cents) + (1 x 25 cents)
Total = 10 + 10 + 25 = 45 cents

The total is 45 cents. Easy, right?

Visual example

Each circle represents a different coin (nickel, dime, quarter). Counting the values gives us the total number.

Subtract money

Subtracting money is as important as adding it. It helps us know how much money we spend or how much change we get when we buy something.

Example 2: Subtracting coins

Sarah has 50 cents and wants to buy a toy for 30 cents. How much money will she have left?

Sarah's money = 50 cents
Toy cost = 30 cents
Money left = 50 cents - 30 cents
Money left = 20 cents

Sarah will have 20 cents left after purchasing the toy.

Visual example

These lines represent the subtraction of money, and show what is left after purchases are made.

Mixing coins

Sometimes, we need to mix different coins to buy something. Let's see how this works with an example.

Example 3: Mixing coins for a purchase

Tom has 3 dimes and 2 pennies. He wants to buy breakfast for 28 cents. Does he have enough money?

Dime = 10 cents
Penny = 1 cent
Tom's money = (3 x 10 cents) + (2 x 1 cent)
Tom's money = 30 + 2 = 32 cents
Snack cost = 28 cents
Since 32 cents > 28 cents, Tom has enough money.

Tom has enough money to buy breakfast because he has more money (32 cents) than the price of breakfast (28 cents).

Adding and subtracting dollars

Apart from coins, we also use bills which are dollars. Let's see how we can add and subtract money in dollars.

Example 4: Adding dollars

Maria receives $10 on her birthday and finds another $5 in her room. How much money does she have now?

Birthday money = 10 dollars
Found money = 5 dollars
Total dollars = 10 dollars + 5 dollars
Total dollars = 15 dollars

Maria now has a total of $15.

Example 5: Subtracting dollars

John has $20. He buys a book for $6. How much money does he have left?

Starting money = 20 dollars
Book cost = 6 dollars
Money left = 20 dollars - 6 dollars
Money left = 14 dollars

John has $14 left after purchasing the book.

Word problems related to money

To understand maths better, we solve word problems that involve reading, thinking, and finding the answer based on the scenario.

Example 6: Word problem

Nina has 2 quarters, 1 dime, and 4 pennies. She buys a pencil for 59 cents. How much money will she have after the purchase?

Quarters = 2 x 25 cents = 50 cents
Dime = 10 cents
Pennies = 4 x 1 cent = 4 cents
Total money = 50 + 10 + 4 = 64 cents
Pencil cost = 59 cents
Money left = 64 cents - 59 cents
Money left = 5 cents

After buying the pencils, Nina will be left with 5 cents.

Practice and exercise

Practicing addition and subtraction with money will help us handle real-life situations better. Here are some exercises to try:

Exercise 1: You have a nickel and two pennies. How many pennies do you have in total?

Nickel = 5 cents
Pennies = 2 x 1 cent = 2 cents
Total = 5 + 2 = 7 cents

Exercise 2: Mike has $3. He spends $1 on candy. How much money does he have left now?

Starting money = 3 dollars
Candy cost = 1 dollar
Money left = 3 dollars - 1 dollar
Money left = 2 dollars

Conclusion

Adding and subtracting with money is a basic math skill that helps students understand the basics of financial management. By practicing these skills, kids can learn to manage their allowance and make smart purchases. Remember, practice makes perfect, and the more we practice, the more confident we become with our math skills.


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Simple Addition and Subtraction with Money

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