Making a friendly ten subtraction worksheets Grade 2

📚 Topic Summary

Making a friendly ten in subtraction is a strategy where we break down a subtraction problem to make it easier to solve. Instead of subtracting a number directly, we first subtract to reach ten, and then subtract the remaining amount. This makes the math simpler and faster! For example, to solve $13 - 5$, we first subtract 3 to reach 10 ($13 - 3 = 10$), and then subtract the remaining 2 ($10 - 2 = 8$). So, $13 - 5 = 8$. Let's practice!

🧠 Part A: Vocabulary

• 🧮 Term: Subtraction Definition: Taking away a number from another.
• ➖ Term: Minus Definition: The symbol used for subtraction.
• 💯 Term: Ten Definition: A group of 10 units.
• 🤝 Term: Friendly Ten Definition: Making a number 10 to simplify calculation.
• 🔢 Term: Difference Definition: The result of subtraction.

✏️ Part B: Fill in the Blanks

To use the friendly ten strategy, first subtract to reach _____. Then, subtract the _____ amount. This makes the problem _____. For example, to solve $15 - 7$, we first subtract _____ to get 10. Then, we subtract _____ from 10, resulting in _____.

🤔 Part C: Critical Thinking

Why is making a friendly ten a helpful strategy for subtraction, and can you think of a real-life situation where you could use this strategy?