Ever felt like maths could use a shortcut? Rounding is your new best friend! Let’s break it down:
What is Rounding?
Rounding means making a number simpler, but still close to what it was.
A simple rule is anything 5 and above, round up, otherwise round down.
48 rounded to the nearest ten? That’s 50.
103 rounded to the nearest hundred? 100. Easy!
Why Do We Round?
Shopping and want a quick total? Round up!
Big numbers in your head? Rounding keeps things simple.
Exams like 7+, 8+, or 11+? You’ll see plenty of rounding — it helps you estimate and check if your answer makes sense.
How Do We Use Rounding in Real Life?
Estimating Costs: “About how much will all this cost?”
Mental Maths: Get the answer quicker.
Double-checking: Does your answer look about right?
Simplifying: Turn tricky sums into easy ones.
Practice Time!
Level 1 – Easy:
Round 27 to the nearest ten.
✅ 30
Level 2 – Getting Trickier:
Round 153 to the nearest hundred.
✅ 200
Level 3 – Pro Level:
Round 6,748 to the nearest thousand.
✅ 7,000
Top Rounding Tips & Troubleshooting
Mistake alert: Rounding down when you should round up!
Quick check: Look at the digit right next to where you’re rounding:
0 to 4 = round down
5 to 9 = round up
Memory Trick:
“5 or more, let it soar! 4 or less, let it rest.”
Rounding – Other Names
Estimating
Approximating
Rounding off
Extra: For the 11+ Stars ⭐
Spotting good estimates in word problems
Choosing the most reasonable answer
Using logic to compare close answers
Pro tip:
If you underline the digit you’re rounding, and check the one just to the right!