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Area in squares: 3rd grade math

Area as unit squares; area by multiplying; distributive property in area. A free 3rd grade lesson plan, a question set with answers and a printable sheet with its key. Copy it and make it yours.

Lesson plan

Goal

  • Students can do this: area as unit squares; area by multiplying; distributive property in area.

Teach (10 min)

  • Area is how many squares cover a shape.
  • A rectangle with 3 rows of 5 squares has an area of 3 × 5 = 15.
  • Work one example on the board while students say each step aloud, then do one together.

Practise (15 min)

  • Students work the printable sheet in pairs, then alone.
  • Or practise it as a game with no sign-up: https://peabody.kids/math/whole.area?lesson=3-area&at=3

Exit ticket (5 min)

  • Use the first three questions on the printable sheet as a slip.

Printable sheet

Name: ____________________   Date: ____________

Area in squares (3rd grade)

  1. How many squares cover this rectangle? That's its area.
  2. How many squares cover this rectangle? That's its area.
  3. How many squares cover this rectangle? That's its area.
  4. How many squares cover this rectangle? That's its area.
  5. How many squares cover this rectangle? That's its area.
  6. How many squares cover this rectangle? That's its area.
  7. How many squares cover this rectangle? That's its area.
  8. What is the area of this rectangle?
    10 meters4 meters
  9. What is the area of this rectangle?
    4 centimeters5 centimeters
  10. What is the area of this rectangle?
    10 centimeters6 centimeters
  11. What is the area of this rectangle?
    12 meters4 meters
  12. What is the area of this rectangle?
    9 feet7 feet
Key
  1. 12
  2. 8
  3. 15
  4. 10
  5. 36
  6. 48
  7. 20
  8. 40
  9. 20
  10. 60
  11. 48
  12. 63

Written by Peabody from its own skill pages. Free, no ads, no sign-in. Children can practise this on Peabody. More from teachers: teacher-shared resources.