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Area of Bigger Rectangles is a free printable Grade 3 math 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 students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

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All 25 sets ask different questions.

Area of Bigger Rectangles

3.MD.C.7

NameDate

Work out the area.

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

LessonPrint · 3.MD.C.7 · Set 1 · free to copy for classroom use

Answer key — Area of Bigger Rectangles

Set 1. Prints on its own sheet.

  1. 1.56 square units
  2. 2.56 square units
  3. 3.63 square units
  4. 4.91 square units
  5. 5.96 square units
  6. 6.144 square units
  7. 7.81 square units
  8. 8.48 square units

Questions about Area of Bigger Rectangles

What does the Area of Bigger Rectangles worksheet cover?

It practices multiplying larger side lengths — 8 questions for Grade 3, all on Common Core 3.MD.C.7: Find area by multiplying side lengths. The instruction to students is “Work out the area”, and the answer key follows on the next sheet.

Which Common Core standard does Area of Bigger Rectangles practice?

CCSS.MATH.CONTENT.3.MD.C.7 — 3.MD.C.7, under Measurement & Data for Grade 3. The published standard reads: “Relate area to the operations of multiplication and addition.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Area of Bigger Rectangles is written for Grade 3, typically ages 8-9. It is one of the sheets on 3.MD.C.7, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.

Does Area of Bigger Rectangles come with an answer key?

Yes. All 8 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Area of Bigger Rectangles can I print?

25 — one per student, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Area of Bigger Rectangles free to print and photocopy?

Yes. Area of Bigger Rectangles, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

Is there a lesson plan to teach 3.MD.C.7?

Yes — “Area by Multiplying Side Lengths” is a 45-minute Grade 3 plan for 3.MD.C.7, timed section by section, with the misconceptions to expect and an exit ticket. Area of Bigger Rectangles is the practice that follows it.

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.