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Area of Bigger Rectangles is a free printable Grade 3 maths worksheet on multiplying larger side lengths, aligned to Common Core standard 3.MD.C.7. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 18 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Area of Bigger Rectangles

3.MD.C.7

NameDate

Work out the area.

1.
Sides 13 and 6. Area =
2.
Sides 10 and 12. Area =
3.
Sides 14 and 11. Area =
4.
Sides 7 and 11. Area =
5.
Sides 14 and 10. Area =
6.
Sides 12 and 8. Area =
7.
Sides 7 and 9. Area =
8.
Sides 11 and 11. Area =

LessonPrint · 3.MD.C.7 · Set 18 · free to copy for classroom use

Answer key — Area of Bigger Rectangles

Set 18. Prints on its own sheet.

  1. 1.78 square units
  2. 2.120 square units
  3. 3.154 square units
  4. 4.77 square units
  5. 5.140 square units
  6. 6.96 square units
  7. 7.63 square units
  8. 8.121 square units

More practice for 3.MD.C.7

Find area by multiplying side lengths.

Teaching this next? Area by Multiplying Side Lengths is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.MD.C.7 of the Common Core State Standards for mathematics.