6 min read
Mathew Wahome
Place Value up to 1,000,000
Million-size numbers
A million is a big number, but we meet it often. The Kenyan population is counted in millions, and national budgets are in millions and billions of shillings. The KICD Grade 5 curriculum extends numbers from 10,000 up to 1,000,000.
Place value chart
| Hundred thousands | Ten thousands | Thousands | Hundreds | Tens | Ones |
|---|---|---|---|---|---|
| 4 | 6 | 2 | 3 | 1 | 0 |
The number is 462,310. The 6 is worth 60,000.
Reading numbers
Group digits in threes from the right with commas.
- 462,310 reads: four hundred sixty-two thousand, three hundred ten.
- 1,000,000 reads: one million.
Expanded form
462,310 = 400,000 + 60,000 + 2,000 + 300 + 10
Comparing and ordering
- Compare the number of digits.
- If equal, compare from the left, place by place.
345,678 < 354,678 because 4 ten thousands is less than 5 ten thousands.
Rounding
- To the nearest thousand: 462,310 becomes 462,000.
- To the nearest ten thousand: 462,310 becomes 460,000.
Real use
A county with 1,234,567 residents can round to about 1.2 million people.
Try it
- Write 305,009 in words.
- Write 700,000 + 40,000 + 600 + 5 as one number.
- Order 120,400; 102,400; 124,000 from smallest to largest.