# Rounding Numbers to the 100 Thousands Place

## Presentation on theme: "Rounding Numbers to the 100 Thousands Place"— Presentation transcript:

Rounding Numbers to the 100 Thousands Place

FOCUS QUESTION: What does it mean to round a number?

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

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

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

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

Rounding to the Nearest 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

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

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

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

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

Does this make sense so far?

Rounding to the Nearest 100

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

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

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

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

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

Does this make sense so far?

Rounding to the Nearest 1,000

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

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

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

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

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

Does this make sense so far?

Rounding to the Nearest 10,000

Round to the Nearest Ten Thousand

Round to the Nearest Ten Thousand

Does this make sense so far?

Rounding to the Nearest 100,000

Round to the Nearest 100 Thousand

Round to the Nearest 100 Thousand