 # Round Multi-Digit Numbers

Related Topics:
Lesson Plans and Worksheets for Grade 4
Lesson Plans and Worksheets for all Grades

Videos, example, and solutions to help Grade 4 students learn how to round multi-digit numbers to any place using the vertical number line.

Common Core NYS Math Grade 4, Module 1, Lesson 8
Common Core Standards: 4.NBT.3
Common Core Math Grade 4, Module 1, Lesson 8 Worksheets (pdf)

The following diagram shows how to round multi-digit numbers using the vertical number line. Scroll down the page for examples and solutions. Lesson 8 Concept Development
Problem 1: Use a vertical number line to round five- and six-digit numbers to the nearest ten thousand. Problem 3: Estimating with addition and subtraction.
(Write 505,341 + 193,841.)

Lesson 8 Problem Set
Directions: Complete each statement by rounding the number to the given place value. Use the number line to show your work.
1a. 53,000 rounded to the nearest ten thousand is _______________.
2b. 449,019 rounded to the nearest hundred thousand is _______________. 5. Estimate the difference by rounding each number to the given place value.
712,350 − 342,802
a. Round to the nearest ten thousands.
b. Round to the nearest hundred thousands. Lesson 8 Homework

Directions: Complete each statement by rounding the number to the given place value. Use the number line to show your work.

1a. 67,000 rounded to the nearest ten thousand is _______________.
1b. 51,988 rounded to the nearest ten thousand is _______________.
1c. 105,159 rounded to the nearest ten thousand is _______________.
2a. 867,000 rounded to the nearest hundred thousand is _______________.

2b. 767,074 rounded to the nearest hundred thousand is _______________.
2c. 629,999 rounded to the nearest hundred thousand is _______________.
3. 491,852 people went to the water park in the month of July. Round this number to the nearest hundred thousand to estimate how many people went to the park. Use a number line to show your work.
4. A digit is missing in the number below, which was then rounded to the nearest hundred thousand. List the possible digits that could go in the ten thousands place to make this statement correct. Use a number line to show your work.
1_9,644 ≈ 100,000

5. Estimate the sum by rounding each number to the given place value.
164,215 + 216,088
a. Round to the nearest ten thousands.
b. Round to the nearest hundred thousands.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. 