Estimate percents of numbers

key notes :

🔹 What is Percent?

Percent (%) means “per 100”.

Example: 25% = 25 out of 100.

🔹 Estimating Percents:

Estimating means finding an approximate value instead of the exact one.

Helpful when you want a quick answer without a calculator.

🔹 Easy Percent Conversions:

10% → divide by 10

50% → divide by 2

25% → divide by 4

1% → divide by 100

Example: 10% of 260 → 260 ÷ 10 = 26 ✅

🔹 Steps to Estimate Percent of a Number:

Round the number to a friendly number. 🔢

Use easy percents like 10%, 25%, 50%. ✨

Multiply or divide to get the estimated answer. 💡

🔹 Example:

Find ~20% of 78

Round 78 → 80

10% of 80 → 8

20% → 8 × 2 = 16 🎯

🔹 Tips & Tricks:

Break tricky percentages into smaller parts:

30% = 10% + 10% + 10%

18% ≈ 20% (for estimation)

Always check if your answer makes sense:

50% of 100 → ~50 ✅, 50% of 10 → ~5 ✅

🔹 Visual Emoji Aid:

🍎 50% of 8 apples = 4 apples

🍰 25% of 12 slices = 3 slices

🏀 10% of 30 balls = 3 balls

🔹 Why Estimation is Useful:

Quick shopping calculations 🛒

Checking homework answers ✔️

Making decisions fast 🕑

Learn with an example

let’s practice!