1. Ones, Tens, & Hundreds… Period! ( 2) Number and operations. The student is expected to: (A) interpret the value of each place-value position as 10 times the position to the right and as one-tenth of the value of the place to its left;

2. Why ten? How many digits are used in numbers? –0, 1, 2, 3, 4, 5, 6, 7, 8, 9 (there are ten digits) After the number 9, what’s next? –10…. Two digits!! How do we describe the digit locations? –Let’s find out!!

3. Ones, tens, & hundreds HUNDRE DS ONES TENS Can show amounts from 0 up to 9 A value of 3 means an amount of 3 ones or 3 Can show amounts from 10 up to 90 A value of 3 means an amount of 3 tens or 30 A value of 3 means an amount of 3 hundreds or 300 Can show amounts from 100 up to 900

4. Ones, tens, & hundreds 5=55=50 A value of 5 means an amount of 5 ones or 5 A value of 5 means an amount of 5 tens or 50

5. Ones, tens, & hundreds 5=55=50 A value of 5 means an amount of 5 ones or 5 A value of 5 means an amount of 5 tens or 50

6. Ones, tens, & hundreds 5=55=50 A value of 5 means an amount of 5 ones or 5 A value of 5 means an amount of 5 tens or 50

7. Ones, tens, & hundreds 5=55=50 A value of 5 means an amount of 5 ones or 5 A value of 5 means an amount of 5 tens or 50

8. Ones, tens, & hundreds 5=50 0 5=55=50 A value of 5 means an amount of 5 ones or 5 A value of 5 means an amount of 5 tens or 50 A value of 5 means an amount of 5 hundreds or 500

9. Ones, tens, & hundreds 5=50 0 5=55=50 A value of 5 means an amount of 5 ones or 5 A value of 5 means an amount of 5 tens or 50 A value of 5 means an amount of 5 hundreds or 500

10. Ones, tens, & hundreds 5=50 0 5=55=50 550500

11. Ones, tens, & hundreds HUNDRE DS ONES TENS A value of 3 means an amount of 3 ones or 3 A value of 3 means an amount of 3 tens or 30 A value of 3 means an amount of 3 hundreds or 300

12. Periods HUNDRED S ONES TENS ONES HUNDR EDS ONES TENS THOUSANDS HUNDRED S ONES TENS MILLIONS HUNDRED S ONES TENS BILLIONS

13. Periods HUNDRED S ONES TENS ONES HUNDR EDS ONES TENS THOUSANDS HUNDRED S ONES TENS MILLIONS HUNDRED S ONES TENS BILLIONS

14. Periods HUNDRED S ONES TENS ONES HUNDR EDS ONES TENS THOUSANDS HUNDRED S ONES TENS MILLIONS HUNDRED S ONES TENS BILLIONS

15. Values HUNDRED S ONES TENS ONES HUNDR EDS ONES TENS THOUSANDS HUNDRED S ONES TENS MILLIONS HUNDRED S ONES TENS BILLIONS

16. Values HUNDREDS ONES TENS ONES HUNDREDS ONES TENS THOUSANDS HUNDREDS ONES TENS MILLIONS HUNDREDS ONES TENS BILLIONS

17. Try it for yourself! ONES THOUSANDS MILLIONS HOTHOTHOTHOT BILLIONS 03Jamie Jamie has 30 pieces of candy. Her sister, Susan, has 10 times as many pieces of candy. How many pieces of candy does Susan have? A 3 B 30C 3,000 D 300 Susan

18. Try it for yourself! ONES THOUSANDS MILLIONS HOTHOTHOTHOT BILLIONS 03Jamie Jamie has 30 pieces of candy. Her sister, Susan, has 10 times as many pieces of candy. How many pieces of candy does Susan have? A 3 B 30C 3,000 D 300 300Susan

19. Try it for yourself! ONES THOUSANDS MILLIONS HOTHOTHOTHOT BILLIONS 18055523 Janie says the digits in the thousands period all represent the same amount. Mike disagrees. Who is right? Why?

20. Try it for yourself! ONES THOUSANDS MILLIONS HOTHOTHOTHOT BILLIONS 18055523 What is the relationship between the 5 in the ten thousands place and the 5 in the one thousands place? The 5 in the ten thousands place is: A.5X the one thousands place B.10X the one thousands place C.1/10 th the one thousands place D. 1/5 th the one thousands place

21. Try it for yourself! ONES THOUSANDS MILLIONS HOTHOTHOTHOT BILLIONS 18055523 What is the relationship between the 5 in the ten thousands place and the 5 in the one thousands place? The 5 in the ten thousands place is: A.5X the one thousands place B.10X the one thousands place C.1/10 th the one thousands place D. 1/5 th the one thousands place

22. Try it for yourself! ONES THOUSANDS MILLIONS HOTHOTHOTHOT BILLIONS 18055523 What is the relationship between the 5 in the ten thousands place and the 5 in the one thousands place? The 5 in the ten thousands place is: A.5X the one thousands place B.10X the one thousands place C.1/10 th the one thousands place D. 1/5 th the one thousands place