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Five-digit numbers go up to 99,999. From the left the places are ten thousands, thousands, hundreds, tens and ones, so in 47,386 the 7 is worth 7000. To round to the nearest 100, look at the tens digit: 5 or more rounds up, less than 5 rounds down. 47,386 → 47,400.
✓ You passed this lesson’s test.
Look one place to the right — “to round, look at the digit just after the place you round to: 5 or more rounds up”
Use it for: Reading populations and distances, estimating totals, and the large numbers chapter of Class 4 maths.
Check: 47,386 is 86 away from 47,300 but only 14 away from 47,400 ✓
▶ Watch it animatedWork it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
20 sums. Check each answer, then go to the next one. Get 16 or more right to pass.
🏅 Sign in with Google to earn the 🏔️ Big Number Boss badge when you pass — and a certificate when you finish all 8 lessons of Part 4 · Class 4. You can still take the test without signing in.
Why does it work? When should you use it? Ask in English, मराठी or हिंदी.
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