Mathematics Grade 3 15 min

Rounding

Rounding

What you'll learn

  • Identify and list at least 3 attributes (sides, vertices, angles) that define a polygon with 80% accuracy.
  • Explain in their own words, using at least two sentences, why a given shape is or is not a polygon with 75% accuracy, justifying their answer based on the shape's attributes.
  • Apply their understanding of polygon attributes to correctly classify at least 4 out of 5 shapes as either a polygon or not a polygon.
  • Draw and label a polygon with a specified number of sides (between 3 and 8) and verify that it meets the criteria of a polygon with 100% accuracy.

Tutorial Preview

1

Round 23 to the nearest 10.

2

Round 48 to the nearest 10.

3

Round 160 to the nearest 100.

Sample Practice Questions

Easy
Round 12 to the nearest 10.
0.20
1.12
2.10
3.0
Easy
Round 28 to the nearest 10.
0.20
1.25
2.8
3.30
Easy
Round 43 to the nearest 10.
0.40
1.50
2.45
3.30

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Frequently asked questions

What grade level is "Rounding"?

Rounding is a Grade 3 Mathematics lesson on ExcelOS.

What will I learn in Rounding?

You'll be able to: Identify and list at least 3 attributes (sides, vertices, angles) that define a polygon with 80% accuracy; Explain in their own words, using at least two sentences, why a given shape is or is not a polygon with 75% accuracy….

Is "Rounding" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Rounding?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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