Mathematics Grade 7 15 min

Circles, semi circles and quarter circles

Circles, semi circles and quarter circles

What you'll learn

  • Identify positive and negative integers in a given set of numbers with 100% accuracy.
  • Solve addition problems involving three or more integers, including at least one negative integer, with 80% accuracy.
  • Explain the process of adding integers with different signs using number lines or other visual aids in at least two complete sentences.
  • Apply the rules of adding integers to solve real-world problems involving temperature changes or financial transactions with 75% accuracy.

Tutorial Preview

1

Find the area of a circle with a radius of 10 cm.

2

Find the perimeter of a semi-circle with a diameter of 14 m.

3

Find the area of a quarter-circle with a radius of 4 inches.

Sample Practice Questions

Easy
What is the area of a circle with a radius of 2 cm?
0.4π cm²
1.2π cm²
2.8π cm²
3.4 cm²
Easy
What is the area of a circle with a radius of 3 m?
0.6π m²
1.9π m²
2.3π m²
3.9 m²
Easy
Find the perimeter of a semi-circle with a diameter of 4 ft.
0.2π ft
1.4π ft
2.2π + 4 ft
3.4π + 4 ft

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Frequently asked questions

What grade level is "Circles, semi circles and quarter circles"?

Circles, semi circles and quarter circles is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Circles, semi circles and quarter circles?

You'll be able to: Identify positive and negative integers in a given set of numbers with 100% accuracy; Solve addition problems involving three or more integers, including at least one negative integer, with 80% accuracy; Explain the process of….

Is "Circles, semi circles and quarter circles" 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 Circles, semi circles and quarter circles?

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

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