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Questions and Answers
What is the operation that represents the combination of two or more values?
What symbol is used to represent subtraction?
What is the result of 4 + 2?
What is the result of 9 - 3?
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What is the operation that represents repeated addition?
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What symbol is used to represent multiplication?
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What is the result of 3 × 4?
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What is the concept of 'putting together' or 'combining' numbers?
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Study Notes
Class 3 Addition
- Addition is a basic mathematical operation that represents the combination of two or more values.
- In Class 3, students learn to add numbers up to 3 digits.
- Key concepts:
- Understanding the concept of "putting together" or "combining" numbers.
- Recognizing the addition symbol (+).
- Using number lines and hundreds charts to visualize addition.
- Examples:
- 2 + 3 = 5
- 5 + 1 = 6
- 7 + 2 = 9
Class 3 Subtraction
- Subtraction is a basic mathematical operation that represents the difference between two values.
- In Class 3, students learn to subtract numbers up to 3 digits.
- Key concepts:
- Understanding the concept of "taking away" or "removing" numbers.
- Recognizing the subtraction symbol (-).
- Using number lines and hundreds charts to visualize subtraction.
- Examples:
- 8 - 2 = 6
- 9 - 4 = 5
- 15 - 9 = 6
Class 3 Multiplication
- Multiplication is a basic mathematical operation that represents repeated addition.
- In Class 3, students learn to multiply numbers up to 3 digits.
- Key concepts:
- Understanding the concept of "groups" or "sets" of numbers.
- Recognizing the multiplication symbol (×).
- Using arrays and number lines to visualize multiplication.
- Examples:
- 2 × 3 = 6
- 4 × 5 = 20
- 3 × 6 = 18
Class 3 Addition
- Addition represents the combination of two or more values.
- Students learn to add numbers up to 3 digits.
- Key concepts:
- "Putting together" or "combining" numbers.
- Recognizing the addition symbol (+).
- Visualizing addition using number lines and hundreds charts.
- Examples of addition:
- 2 + 3 = 5.
- 5 + 1 = 6.
- 7 + 2 = 9.
Class 3 Subtraction
- Subtraction represents the difference between two values.
- Students learn to subtract numbers up to 3 digits.
- Key concepts:
- "Taking away" or "removing" numbers.
- Recognizing the subtraction symbol (-).
- Visualizing subtraction using number lines and hundreds charts.
- Examples of subtraction:
- 8 - 2 = 6.
- 9 - 4 = 5.
- 15 - 9 = 6.
Class 3 Multiplication
- Multiplication represents repeated addition.
- Students learn to multiply numbers up to 3 digits.
- Key concepts:
- Understanding "groups" or "sets" of numbers.
- Recognizing the multiplication symbol (×).
- Visualizing multiplication using arrays and number lines.
- Examples of multiplication:
- 2 × 3 = 6.
- 4 × 5 = 20.
- 3 × 6 = 18.
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Description
Learn the basics of addition and subtraction in Class 3 math, including understanding the concepts of combining numbers and recognizing symbols.
