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Problem 5 · Fence the Wheat FarmOnly the worksheet will be included when you print.
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Date

Fence the Wheat Farm

Total reward 2 jewels

In Minecraft, Sam draws a blueprint for a rectangular wheat farm. The farm is 8 blocks long and 5 blocks wide. Each square on the blueprint represents 1 square block of ground.

Your challenges

  1. How many square blocks of ground are inside the farm?

    Reward 1 jewel

  2. What is the distance around the edge of the farm, in blocks?

    Reward 1 jewel

Show your answer

Write one equation for the area and one for the perimeter. Label each answer with the correct units.

Show your work

Teacher & family guide

Difficulty & skills

Grade 3 · Geometry · Measurement · Area and perimeter

MJ 3.6 · C2 · W2

MathJewels rates content readiness, problem-solving challenge, and workload separately. These estimates describe the easiest reasonable solution path and do not reveal the solution.

Content level

MJ 3.6

Grades 3–5

Grade 3 progression · point 6

Likely range
MJ 3.4–3.8
Confidence
85%

Challenge

C2 · Standard

The solver chooses and coordinates familiar methods.

  • Method selection1
  • Reasoning depth1
  • Novelty0
  • Constraint management1
  • Proof or justification1

Workload

W2 · Moderate

Several coordinated calculations, representations, or explanation steps.

Active time
3–9 minutes · typically 6
Response
Short Answer
Known-method steps
4
  • Mechanical execution1
  • Written output1
  • Representation production1
  • Bookkeeping1

Learning focus

Skills this problem practices

What a successful response demonstrates, with each skill’s share of the content rating.

  • Find rectangle area by multiplication

    Find the area of a rectangle with whole-number side lengths by multiplying the number of rows and columns of square units.

    • Independent mastery
    • 55% focus
    • MJ 3.6 milestone

  • Find rectangle perimeter

    Find the perimeter of a rectangle with whole-number side lengths by adding the lengths of all four sides.

    • Independent mastery
    • 45% focus
    • MJ 3.5 milestone

Readiness

Helpful prerequisites

Skills the rating assumes are already available to the learner.

  • Multiply equal groups

    Represent and solve whole-number situations made from equal groups, including choosing and evaluating a multiplication equation.

    • Independent readiness
    • Required
    • MJ 3.2 milestone

  • Add and subtract quantities

    Combine and compare whole-number quantities in contextual problems and use addition or subtraction to find an unknown result.

    • Fluent readiness
    • Required
    • MJ 3.2 milestone

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