Calculate the Sum: Finding the Total of 7+4+3+6

Q: Why should I look for numbers that make 10 first?

Making groups of 10 first is much easier for your brain! Adding $ 10+10 $ is instant, while calculating $ 7+4+3+6 $ step by step takes more time and creates more chances for mistakes.

Q: Is it wrong to add from left to right instead?

No, it's not wrong! Adding left to right will give you the same answer. However, the regrouping method is usually faster and less error-prone for mental math.

Q: How do I know which numbers to group together?

Look for complementary pairs that add up to 10: (1,9), (2,8), (3,7), (4,6), (5,5). In this problem, we spotted $ 7+3=10 $ and $ 6+4=10 $.

Addition Strategies with Regrouping Numbers

$7+4+3+6=\text{?}$

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations

00:00 Solve

00:03 We'll solve each addition separately and then sum up

00:15 Now let's solve the addition

00:20 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution

Understand the problem

$7+4+3+6=\text{?}$

Step-by-step solution

To make solving the exercise easier, we try to add numbers that give us a result of 10.

Let's keep in mind that:

$7+3=10$

$6+4=10$

Hence we obtain a more manageable exercise to solve:

$10+10=20$

Final Answer

Key Points to Remember

Essential concepts to master this topic

Rule: Group numbers that make 10 to simplify addition
Technique: Recognize pairs like 7+3=10 and 6+4=10
Check: Add left to right: 7+4=11, 11+3=14, 14+6=20 ✓

Common Mistakes

Avoid these frequent errors

Adding numbers from left to right without looking for tens
Don't just add 7+4=11, then 11+3=14, then 14+6=20 without noticing easier patterns! This makes mental math harder and increases chances for errors. Always look for pairs that make 10 first, like 7+3 and 6+4.

Practice Quiz

Test your knowledge with interactive questions

$74+32+6+4+4=\text{?}$

FAQ

Everything you need to know about this question

Why should I look for numbers that make 10 first?

Making groups of 10 first is much easier for your brain! Adding $10+10$ is instant, while calculating $7+4+3+6$ step by step takes more time and creates more chances for mistakes.

What if I can't find pairs that make 10?

That's okay! You can still use this strategy by looking for pairs that make other round numbers like 5, 15, or 20. The goal is to make the addition as simple as possible.

Is it wrong to add from left to right instead?

No, it's not wrong! Adding left to right will give you the same answer. However, the regrouping method is usually faster and less error-prone for mental math.

How do I know which numbers to group together?

Look for complementary pairs that add up to 10: (1,9), (2,8), (3,7), (4,6), (5,5). In this problem, we spotted $7+3=10$ and $6+4=10$ .

What if there are more than 4 numbers to add?

The same strategy works! Just keep looking for pairs or groups that make 10. You might have some numbers left over that don't pair perfectly, and that's fine - just add those normally.

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