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6th Grade Math (Math 6) · Chapter 11 · Lesson 11.7 · Printable PDF

What a Circle Is Worksheet with Answer Key

6 problems on what a circle is: radius and diameter, points on and inside a circle, a ranch warning horn, a diameter on a coordinate grid, spokes in a round window, and a coaster measured from its middle. 2 pages, with a worked answer key.

6 problems2 pagesanswer key
Printable What a circle is worksheet with answer key - 6th Grade Math (Math 6) (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Find the radius or diameter from the other one, with the unit.
    r = 3\dfrac{5}{8} ind = 9\dfrac{1}{2} ftr = 0.65 md = 27 mmr = 2\dfrac{5}{6} yd
  2. Use the figure to name radii, diameters and points on or inside a circle.
  3. Word problem: decide which riders can hear the ranch warning horn.
  4. Find the center and radius of a circle from the ends of a diameter.
  5. Word problem: use the spokes of a round window to find its size.
  6. Decide if Noah's coaster is a circle from measurements out from its middle.

Teach it first

The free lesson teaches it with worked examples and practice problems.

What a circle is: the lesson ›

More Chapter 11 worksheets: Area, surface area and volume