Vegetable Farm (Addition and Subtraction up to 20)
CBSE · Class 1 · Mathematics
Summary of Vegetable Farm (Addition and Subtraction up to 20) for CBSE Class 1 Mathematics. Key concepts, important points, and chapter overview.
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Overview
This chapter teaches us how to add and subtract numbers up to 20 using fun stories about vegetables and everyday activities. We learn different ways to solve math problems using counting, number lines, and breaking numbers into smaller parts. The chapter shows us how math is used in real life situat
Key Concepts
Adding means putting numbers together
Adding means putting numbers together to find the total. For example, 7 tomatoes + 5 tomatoes = 12 tomatoes. We can add by counting forward, using our
Subtraction means taking away or finding
Subtraction means taking away or finding how many are left. We can subtract by counting backward on a number line or by hopping backward. For example,
We can add numbers in many
We can add numbers in many ways: counting on our fingers, using beads (gintadi), hopping on number lines, or breaking numbers. For example, 12 + 6 can
Word problems are math questions told
Word problems are math questions told as stories about real situations like sharing toffees, counting children in a bus, or finding how many items are
A number line is like
A number line is like a path with numbers in order. We can hop forward to add and hop backward to subtract. This visual method helps us see how number
Learning Objectives
- Add numbers up to 20 using different methods like counting forward and breaking numbers
- Subtract numbers up to 20 using counting backward and number line methods
- Solve real-life word problems involving addition and subtraction
- Use different strategies like counting on fingers, using beads (gintadi), and hopping on number lines
- Understand the relationship between addition and subtraction as opposite operations
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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