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4th Grade Rounding Worksheets

These 4th grade rounding worksheets help students practice rounding numbers within 1 million to various place values. Each worksheet contains 20 problems that challenge students to round numbers to the nearest hundred, thousand, ten thousand, hundred thousand, and million.

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Rounding Numerals Estimating Problems

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Rounding Numerals

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About these worksheets

Students practice rounding whole numbers across a range of place values. Worksheets cover rounding to the nearest ten and hundred, finding numbers that round to a given value, rounding within one million, determining which numbers round to a target, and rounding with number lines. Aligned with third and fourth grade standards.

4th Grade Rounding Worksheets - Round Within 1 Million worksheet

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Round Within 1 Million

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Round large numbers to the nearest place value (like hundreds, thousands, or millions).
Use the digit to the right of the rounding place to decide whether to round up or down.
Write the rounded number correctly by changing the digits after the rounding place to zeros.

4th Grade Rounding Worksheets - Determining Rounding Amounts worksheet

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Determining Rounding Amounts

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Decide which numbers round to a given target number.
Use the digit to the right of a place to tell whether a number rounds up or down.

4th Grade Rounding Worksheets - Rounding with Numberlines worksheet

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Rounding with Numberlines

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Use a number line to see which two benchmark numbers a value falls between.
Find the midpoint on a number line to decide which benchmark a number is closer to.
Explain rounding choices by comparing distances on the number line.

Estimating Problems

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About these worksheets

Students practice estimating answers before computing. Worksheets cover estimating products by rounding factors and estimating sums by rounding to the nearest ten or hundred. These activities build mental math and number sense skills that help students check whether their exact answers are reasonable. Aligned with third grade standards.

4th Grade Rounding Worksheets - Estimating Products by Rounding worksheet

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Estimating Products by Rounding

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Round each factor to its greatest place value before multiplying.
Estimate the product of a 3-digit and a 1-digit number.
Estimate the product of two 2-digit numbers.

4th Grade Rounding Worksheets - Reasonable Estimate for a Product worksheet

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Reasonable Estimate for a Product

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Judge whether an estimate is the right size for a product.
Round both factors to decide roughly how large a product should be.
Notice when an answer is off by a place value or came from adding instead of multiplying.

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