Mathematics Grade 7 15 min

Percent of a number

Percent of a number

What you'll learn

  • Calculate the perimeter of polygons plotted on the coordinate plane with at least 80% accuracy using the distance formula.
  • Determine the area of triangles and quadrilaterals plotted on the coordinate plane by decomposing them into simpler shapes and applying appropriate area formulas with 75% accuracy.
  • Apply the properties of geometric shapes (e.g., parallel lines, perpendicular lines, congruent sides) to justify the classification of polygons plotted on the coordinate plane with 90% accuracy.
  • Solve real-world problems involving area and perimeter of figures represented on a coordinate plane, demonstrating the application of geometric principles with clear and concise explanations.

Tutorial Preview

1

What is 20% of 60?

2

What is 25% of 40?

3

What is 10% of 90?

Sample Practice Questions

Easy
What is 10% of 70?
0.0.7
1.7
2.70
3.700
Easy
What is 50% of 30?
0.3
1.10
2.15
3.20
Easy
What is 25% of 20?
0.4
1.5
2.8
3.10

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Frequently asked questions

What grade level is "Percent of a number"?

Percent of a number is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Percent of a number?

You'll be able to: Calculate the perimeter of polygons plotted on the coordinate plane with at least 80% accuracy using the distance formula; Determine the area of triangles and quadrilaterals plotted on the coordinate plane by decomposing them….

Is "Percent of a number" 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 Percent of a number?

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

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