What is a Number Fact for 16?

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Grade Level:

Pre-School – Class 2

All domains without exception

Definition

What is it?

A 'number fact' for a number like 16 is a mathematical statement that shows how different numbers combine through addition, subtraction, multiplication, or division to make 16. It's like finding different recipes to get the same delicious result, 16!

Simple Example

Quick Example

Imagine you have 16 laddoos. A number fact for 16 could be: 'You have 8 laddoos in one box and 8 laddoos in another box.' This means 8 + 8 = 16. Another fact could be: 'You divided 16 laddoos equally among 2 friends, so each friend got 8 laddoos.' This means 16 ÷ 2 = 8.

Worked Example

Step-by-Step

Let's find some number facts for 16 using different operations.

Step 1: Addition Facts
Think of two numbers that add up to 16. For example, 10 + 6 = 16.

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Step 2: Subtraction Facts
Think of a number you can subtract from another to get 16. For example, 20 - 4 = 16. (You can also use the addition fact: if 10 + 6 = 16, then 16 - 6 = 10).

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Step 3: Multiplication Facts
Think of two numbers that multiply to give 16. For example, 2 x 8 = 16.

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Step 4: Division Facts
Think of a number that 16 can be divided by to get another whole number. For example, 16 ÷ 4 = 4. (You can also use the multiplication fact: if 2 x 8 = 16, then 16 ÷ 2 = 8).

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Answer: Some number facts for 16 are: 10 + 6 = 16, 20 - 4 = 16, 2 x 8 = 16, and 16 ÷ 4 = 4.

Why It Matters

Understanding number facts helps you build a strong foundation in arithmetic and mental math. This skill is crucial for everyday tasks like calculating your pocket money, splitting a bill with friends, or even for careers like becoming a data analyst or an architect who needs to quickly calculate measurements.

Common Mistakes

MISTAKE: Only thinking of addition facts for a number. | CORRECTION: Remember that number facts include addition, subtraction, multiplication, and division.

MISTAKE: Confusing the numbers in a fact, like saying 16 - 2 = 8 is a fact for 16. | CORRECTION: Ensure the operation (addition, subtraction, multiplication, division) correctly results in or uses 16 as part of its core statement.

MISTAKE: Using only single-digit numbers. | CORRECTION: You can use any whole numbers, including two-digit numbers, to form number facts, like 20 - 4 = 16.

Practice Questions

Try It Yourself

QUESTION: Give one addition fact for 16. | ANSWER: 15 + 1 = 16

QUESTION: Give one multiplication fact and one division fact for 16. | ANSWER: Multiplication: 4 x 4 = 16. Division: 16 ÷ 8 = 2.

QUESTION: Your mom gave you Rs. 25. You bought a packet of biscuits for Rs. 9. What subtraction number fact for 16 does this represent, if you consider the money left? | ANSWER: 25 - 9 = 16

MCQ

Quick Quiz

Which of these is NOT a number fact for 16?

16 - 0 = 16

8 + 8 = 16

3 x 5 = 16

32 ÷ 2 = 16

The Correct Answer Is:

Options A, B, and D all result in or use 16 correctly. Option C (3 x 5) equals 15, not 16, so it is not a number fact for 16.

Real World Connection

In the Real World

When you're checking cricket scores and see a team needs 16 runs to win, you might quickly think: 'If they score 4 runs in each of the next 4 balls, that's 4 x 4 = 16 runs!' This quick mental calculation uses number facts to understand the game situation.

Key Vocabulary

Key Terms

ADDITION: Combining two or more numbers | SUBTRACTION: Taking one number away from another | MULTIPLICATION: Repeated addition of the same number | DIVISION: Splitting a number into equal parts | NUMBER FACT: A mathematical statement showing how numbers relate to a target number through operations

What's Next

What to Learn Next

Now that you understand number facts for a single number, you can explore fact families. Fact families show how addition and subtraction (or multiplication and division) facts are related, helping you solve problems even faster!