1. Building Number Place Value

2. You are going to r learn: How to read and write large numbers written in digits. How to compare and order numbers. What skills should you have already? You need to be able to read, write and compare numbers up to 999. What’s It All About?

3. Read these numbers: 980 The position of each digit in the number makes a difference to its value. Nine hundred and eighty 908Nine hundred and eight 98 Ninety eight Recap on Place Value

4. Remember – the position of a digit changes its value! Digits are grouped in threes... Read this number Thousandones HundredsTensUnitsHundredsTensUnits 756150

5. Recap on Place Value If there are more digits, the table needs more columns... Read this numbers. MillionThousandones HundredsTensUnitsHundredsTensUnitsHundredsTensUnits 152621349

6. Write this number in digits. Six hundred and two thousand, five hundred and ninety. Writing a number in digits is easy if you picture the place value table: Writing Large Numbers ThousandOnes HundredsTensUnitsHundredsTensUnits 6 0 2 5 9 0

7. 4. Two million, three hundred thousand and seventy seven. 3. Seventeen thousand and thirty five. 2. Ninety one thousand six hundred and twenty one. 1. Four hundred thousand one hundred and sixty six. 400 166 91 621 17 035 2 300 077 Your Turn 5. Ten million, seventy one thousand four hundred and two. 10 071 402

8. Comparing/Ordering Numbers Write the numbers in the correct order of size. Start with the smallest. 49 562235 2807 3201 253 762 49 562 235 280 7 320 1 253 762

9. 235 280 Comparing/Ordering Numbers Write the numbers in the correct order of size. Start with the largest. 349 562235 280394 320 253 762 349 562 394 320 253 762

10. The End