What is Adding to Make Fourteen?

S0-SA1-1339

Grade Level:

Pre-School – Class 2

All domains without exception

Definition

What is it?

Adding to Make Fourteen means finding two or more numbers that, when put together, give you a total of 14. It's like collecting items until you have exactly 14 of them. This helps you understand how different numbers combine to reach a specific sum.

Simple Example

Quick Example

Imagine you have 8 laddoos. Your friend gives you some more laddoos so that you now have a total of 14 laddoos. How many laddoos did your friend give you? To find out, you need to figure out what number adds to 8 to make 14. The answer is 6, because 8 + 6 = 14.

Worked Example

Step-by-Step

Let's find out what number adds to 5 to make 14.
1. Start with the number 5.
---
2. We want to reach the total of 14.
---
3. You can count up from 5 until you reach 14. Let's count: 6, 7, 8, 9, 10, 11, 12, 13, 14.
---
4. Now count how many numbers you said after 5. You said 9 numbers.
---
5. So, 5 + 9 = 14.
---
Answer: The number that adds to 5 to make 14 is 9.

Why It Matters

Understanding how numbers combine to make a specific sum is fundamental to all of mathematics. It helps engineers calculate loads, doctors prescribe medicine dosages, and even helps game developers design scores. Mastering this skill now will make advanced algebra and problem-solving much easier later.

Common Mistakes

MISTAKE: Confusing 'adding to make 14' with 'taking away from 14'. For example, thinking 14 - 6 is the answer when you need to add to 6 to make 14. | CORRECTION: Remember 'adding to make' means you are combining numbers to reach the target sum, not subtracting from it.

MISTAKE: Counting incorrectly when adding up. For instance, if you start with 7 and count 8, 9, 10, 11, 12, 13, 14, and miscount the number of steps. | CORRECTION: Double-check your counting, or use your fingers or tally marks to keep track of the numbers you are adding.

MISTAKE: Not understanding that there can be multiple pairs (or more numbers) that add up to 14. For example, thinking only 7 + 7 = 14. | CORRECTION: Realize that sums like 10 + 4, 9 + 5, 8 + 6, etc., also make 14. Explore different combinations.

Practice Questions

Try It Yourself

QUESTION: What number do you add to 10 to get 14? | ANSWER: 4

QUESTION: If you have 6 cricket balls, how many more do you need to have a total of 14 balls? | ANSWER: 8

QUESTION: A chaiwala sold 5 cups of chai in the morning. He wants to sell a total of 14 cups by noon. How many more cups does he need to sell? | ANSWER: 9

MCQ

Quick Quiz

Which pair of numbers adds up to 14?

5 and 8

6 and 7

9 and 5

4 and 9

The Correct Answer Is:

9 + 5 equals 14. Option A (5+8=13), Option B (6+7=13), and Option D (4+9=13) all add up to 13, not 14.

Real World Connection

In the Real World

When you're calculating change after buying groceries at a kirana store, you might use this concept. If an item costs Rs. 14 and you pay with a Rs. 20 note, you quickly calculate what number adds to 14 to make 20 (which is 6) to know your change is Rs. 6.

Key Vocabulary

Key Terms

ADDITION: The process of combining two or more numbers to find their total sum | SUM: The result of adding two or more numbers together | TOTAL: The complete amount or number of something | PAIR: Two things of the same sort that are used together

What's Next

What to Learn Next

Great job understanding how to make 14! Next, you should learn about 'Adding to Make Twenty'. This will build on your current skills and help you work with larger numbers and different combinations more confidently. Keep practicing!