Addition Problem: Finding the Sum of 35 Plus 5 Units

Basic Addition with Single-Digit Numbers

What number will we get if we add 5 units to the number 35?

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Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

What number will we get if we add 5 units to the number 35?

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the starting number.
  • Step 2: Add the given units to this number.
  • Step 3: Confirm the sum is correct.

Now, let's work through each step:

Step 1: The initial number provided in the problem is 35.

Step 2: We add 5 units to this number using simple addition:

35+5=40 35 + 5 = 40

Step 3: Verify that the calculation is accurate.

Therefore, the solution to the problem is 40 40 .

3

Final Answer

40 40

Key Points to Remember

Essential concepts to master this topic
  • Rule: Adding means finding the total when combining two numbers
  • Technique: Use 35+5=40 35 + 5 = 40 by counting up from 35
  • Check: Verify by counting backwards: 40 - 5 = 35 ✓

Common Mistakes

Avoid these frequent errors
  • Confusing addition with subtraction
    Don't subtract 5 from 35 to get 30! The problem asks to 'add 5 units', which means increase the number. Always read carefully: 'add' means combine numbers to get a larger sum.

Practice Quiz

Test your knowledge with interactive questions

If we have 85 blocks in total, how many blocks will remain if we remove 4 tens and 1 one?

FAQ

Everything you need to know about this question

What does 'adding 5 units' mean exactly?

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Adding units means increasing a number by that amount. Think of it like having 35 objects and getting 5 more - you'll have 40 objects total.

Why isn't the answer one of the bigger numbers like 45 or 50?

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When adding small numbers like 5 to 35, the result is close to the original number. 35 + 5 = 40, which is much smaller than 45 or 50.

How can I double-check my addition?

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Try counting up from 35: 36, 37, 38, 39, 40. Or use subtraction to check: 40 - 5 should equal 35.

Is there a pattern when adding 5 to numbers ending in 5?

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Yes! When you add 5 to any number ending in 5, the ones digit becomes 0. So 35 + 5 = 40, just like 15 + 5 = 20.

What if I accidentally chose 50 as my answer?

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That would mean you added 15 instead of 5! Always reread the problem to make sure you're using the correct numbers: 35 + 5 = 40.

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