Definitions….. :
Definitions….. Whole Numbers - the whole numbers are the counting numbers and 0. The whole numbers are 0, 1, 2, 3, 4, 5, ...
Place Value - The position, or place, of a digit in a number. Written in standard form this determines the actual value the digit represents.
Whole Numbers :
Whole Numbers Writing numbers can be done in many ways:
1. as the digits……… 2, 3, 4, 5…
2. as words…….. 3 three
3. as a tally………| | | | (5)
4. as the sum of two numbers ……………. 15 + 3 = 18
5. as the difference of two numbers ………18 – 3 = 15
6. as the product of two numbers …………3 x 5 = 15
7. as the quotient of two numbers ………. 15 ÷ 5 = 3
Place Value :
Place Value Place (in green) Name of Position
1,000 Ones (units) position
1,000 Tens
1,000 Hundreds
1,000 Thousands
1,000,000 Ten thousands
1,000,000 Hundred Thousands
1,000,000 Millions
1,000,000,000 Ten Millions
1,000,000,000 Hundred millions
1,000,000,000 Billions
Practice :
Practice Identify the place value of each underlined digit.
(Answers are the next slide)
1. 32,487 6. 42,606
2. 1,268,315 7. 1,243,516,000
3. 6,119 8. 2,000,000,000
4. 5,283 9. 465,821
5. 9,843,215,749 10. 164
How did you do? :
How did you do? Identify the place value of each underlined digit.
1. 32,487 hundreds 6. 42,606 ten-thousands
2. 1,268,315 millions 7. 1,243,516,000 billions
3. 6,119 ones 8. 2,000,000,000 ten millions
4. 5,283 thousands 9. 465,821 hundred thousands
5. 9,843,215,749 10. 164 tens
one hundred millions