1. Rounding Numbers to the 100 Thousands Place
Copyright © 2013 Kelly Mott

2. FOCUS QUESTION: What does it mean to round a number?
Copyright © 2013 Kelly Mott

3. When you round a number, you are replacing it with another number that tells about how much or how many. You’re saying what the number is closest to.
Copyright © 2013 Kelly Mott

4. Here are some examples.
Copyright © 2013 Kelly Mott

5. Round to the Nearest Ten
What is 13 rounded to the nearest ten?
Find 13 on the number line. Put a dot.
Is 13 closer to 10 or 20? __________________
Answer: 13 rounded to the nearest ten is ____
Copyright © 2013 Kelly Mott

6. Round to the Nearest Hundred
What is 180 rounded to the nearest hundred?
Find 180 on the number line. Put a dot.
Is 180 closer to 100 or 200? _______________
Answer: 180 rounded to the nearest hundred is _____________________
Copyright © 2013Kelly Mott

7. Round to the Nearest Thousand
What is 1,300 rounded to the nearest thousand?
Find 1,300 on the number line. Put a dot.
Is 1,300 closer to 1,000 or 2,000? ___________
Answer: 1,300 rounded to the nearest thousand is _____________________
1,000 1,100 1,200 1,300 1,400 1,500 1,600 1,700 1,800 1,900 2,000
Copyright © 2013 Kelly Mott

8. Does this make sense?
Copyright © 2013 Kelly Mott

9. Rounding to the Nearest 10
Copyright © 2013 Kelly Mott

10. 15 Rounding Practice 1: Round to the nearest ten:
RULES FOR ROUNDING
Round to the nearest ten:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number. 15
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

11. 33 Rounding Practice 2: Round to the nearest ten:
RULES FOR ROUNDING
Round to the nearest ten:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number. 33
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

12. 228 Rounding Practice 3: Round to the nearest ten:
RULES FOR ROUNDING
Round to the nearest ten:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
228
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

13. 3,614 Rounding Practice 4: Round to the nearest ten:
RULES FOR ROUNDING
Round to the nearest ten:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
3,614
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

14. 32,576 Rounding Practice 5: Round to the nearest ten:
RULES FOR ROUNDING
Round to the nearest ten:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
32,576
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

15. Does this make sense so far?
Copyright © 2013 Kelly Mott

16. Rounding to the Nearest 100
Copyright © 2013 Kelly Mott

17. 215 Rounding Practice 1: Round to the nearest hundred:
RULES FOR ROUNDING
Round to the nearest hundred:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
215
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

18. 563 Rounding Practice 2: Round to the nearest hundred:
RULES FOR ROUNDING
Round to the nearest hundred:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
563
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

19. 3,481 Rounding Practice 3: Round to the nearest hundred:
RULES FOR ROUNDING
Round to the nearest hundred:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
3,481
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

20. 13,854 Rounding Practice 4: Round to the nearest hundred:
RULES FOR ROUNDING
Round to the nearest hundred:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
13,854
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

21. 51,318 Rounding Practice 5: Round to the nearest hundred:
RULES FOR ROUNDING
Round to the nearest hundred:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
51,318
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

22. Does this make sense so far?
Copyright © 2013 Kelly Mott

23. Rounding to the Nearest 1,000
Copyright © 2013 Kelly Mott

24. 2,415 Rounding Practice 1: Round to the nearest thousand:
RULES FOR ROUNDING
Round to the nearest thousand:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
2,415
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

25. 1,233 Rounding Practice 2: Round to the nearest thousand:
RULES FOR ROUNDING
Round to the nearest thousand:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
1,233
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

26. 13,581 Rounding Practice 3: Round to the nearest thousand:
RULES FOR ROUNDING
Round to the nearest thousand:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
13,581
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

27. 39,150 Rounding Practice 4: Round to the nearest thousand:
RULES FOR ROUNDING
Round to the nearest thousand:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
39,150
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

28. 103,718 Rounding Practice 5: Round to the nearest thousand:
RULES FOR ROUNDING
Round to the nearest thousand:
Underline the number in the place value you will round.
2. Circle the number to the right of the underlined number.
103,718
Use the rounding pyramid:
Underlined number rounds up one
Add the zeros
Underlined number stays the same
Add the zeros 9 4 8 3 2 7 1 6 5
4. Any digit to the left of the underlined digit stays the same.
Copyright © 2013 Kelly Mott

29. Does this make sense so far?
Copyright © 2013 Kelly Mott

30. Rounding to the Nearest 10,000
Copyright © 2013 Kelly Mott

31. Round to the Nearest Ten Thousand
18,200
11,400
143,466
106,640
Copyright © 2013 Kelly Mott

32. Round to the Nearest Ten Thousand
52,109
16,419
701,466
167,640
Copyright © 2013 Kelly Mott

33. Does this make sense so far?
Copyright © 2013 Kelly Mott

34. Rounding to the Nearest 100,000
Copyright © 2013 Kelly Mott

35. Round to the Nearest 100 Thousand
352,200
161,400
5,143,466
8,706,640
Copyright © 2013 Kelly Mott

36. Round to the Nearest 100 Thousand
337,488
169,859
7,450,466
2,247,640
Copyright © 2013 Kelly Mott

37. Does this make sense so far?
Copyright © 2013 Kelly Mott

38. Copyright © 2013 Kelly Mott