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

Common Core Standards: 4.NBT.3

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Common Core For Grade 4

NYS Math Module 1 Grade 4 Lesson 8

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 _______________.

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.

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