1
Thousands
1000 is one thousand. Ten hundreds make a thousand.
10 × 100 = 1000
Numbers up to 9999
📖 Study · Numbers up to 9999
Numbers up to 9999
We move from 3-digit to 4-digit numbers. Thousands, hundreds, tens and ones.
🎯 What you'll learn
- ✓Read and write numbers up to 9999
- ✓Place value: Th, H, T, O
- ✓Compare 4-digit numbers
- ✓Round to nearest 10 and 100
2
Th, H, T, O
1234 = 1 Th + 2 H + 3 T + 4 O.
Th | H | T | O 1 | 2 | 3 | 4
3
Compare big numbers
Look at the thousands first. If equal, look at hundreds, then tens, then ones.
5421 > 5419
4
Rounding
If the digit to the right is 5+, round up. If it's less than 5, round down.
3217 → 3220 (nearest 10) 3217 → 3200 (nearest 100)