Calculate the Sum: Finding the Total of 48 + 4 Blocks

Basic Addition with Two-Digit Numbers

If we have 48 blocks and we add a further 4 blocks, how many blocks will we have in total?

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Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

If we have 48 blocks and we add a further 4 blocks, how many blocks will we have in total?

2

Step-by-step solution

To solve this problem, we will perform a simple addition. We begin with 48 blocks and add 4 more blocks. Our task is to find out the total number of blocks.

Let's calculate step by step:

  • Step 1: Identify the initial number of blocks. This is given as 48 48 .
  • Step 2: Identify how many blocks are added. This is given as 4 4 .
  • Step 3: Perform the addition of these two numbers: 48+4 48 + 4 .

By performing the addition,

48+4=52 48 + 4 = 52 .

Therefore, after adding the 4 blocks, the total number of blocks we have is 52 52 .

3

Final Answer

52 52

Key Points to Remember

Essential concepts to master this topic
  • Rule: Addition means combining quantities to find the total
  • Technique: Line up numbers vertically: 48 + 4 = 52
  • Check: Count backwards from 52 to verify: 52 - 4 = 48 ✓

Common Mistakes

Avoid these frequent errors
  • Confusing addition with subtraction
    Don't subtract when the problem asks to 'add' or find the 'total' = you'll get 44 instead of 52! The word 'add' means combine amounts together. Always look for key words like 'total', 'sum', 'altogether', or 'in all' to identify addition problems.

Practice Quiz

Test your knowledge with interactive questions

If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?

FAQ

Everything you need to know about this question

How do I know when to add instead of subtract?

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Look for key words in the problem! Words like 'total', 'sum', 'altogether', 'in all', 'add', and 'more' signal addition. If you're combining amounts, you add them together.

What if I make a mistake when adding?

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Always check your work by counting backwards! If 48 + 4 = 52, then 52 - 4 should equal 48. This helps you catch any calculation errors.

Can I use my fingers to help with addition?

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Absolutely! For small numbers like adding 4, you can count up from 48: 49, 50, 51, 52. Counting strategies are perfectly valid math tools.

Why do some problems show pictures with the numbers?

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Visual representations like blocks or objects help you see the math problem. The picture shows you're physically combining groups, which makes addition easier to understand.

What's the fastest way to add single digits to bigger numbers?

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  • Count on: Start with the bigger number (48) and count up by the smaller amount (4)
  • Mental math: 48 + 4 is just like 8 + 4 = 12, so the answer ends in 2

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