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Shape Decomposition - Absolute-Beginner Level: core concept mastery Shape Decomposition ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Shape Decomposition - a key topic in Shape Construction Visual. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master shape decomposition problems, shape decomposition reasoning questions, and shape decomposition practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Shape Decomposition
Worksheet 1 of 10 (0% complete)

Question 1

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲▲", "▲▲", "▲▲▲", "▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 2

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲", "▲▲▲", "▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 3

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛", "⬛⬛⬛", "⬛⬛", "⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 4

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲▲▲", "▲", "▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 5

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛", "⬛", "⬛⬛⬛", "⬛⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 6

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲▲▲", "▲", "▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 7

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲", "▲▲", "▲▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 8

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲", "▲▲▲", "▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 9

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛⬛", "⬛⬛", "⬛", "⬛⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 10

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 11

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛", "⬛⬛⬛", "⬛", "⬛⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 12

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲▲", "▲▲", "▲", "▲▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 13

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛", "⬛⬛⬛", "⬛⬛", "⬛⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 14

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲▲", "▲", "▲▲", "▲▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 15

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲", "▲▲▲", "▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 16

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲", "▲▲", "▲▲▲", "▲▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 17

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 18

Which set of 2D shapes can be combined (without overlap) to form this 3x3 triangle pattern? Target shape: ▲▲▲ ▲▲▲ ▲▲▲ Option A: "▲▲", "▲▲▲", "▲▲", "▲" Option B: "▲▲▲", "▲▲", "▲▲", "▲" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 19

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛", "⬛⬛", "⬛⬛⬛", "⬛⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.

Question 20

Which set of 2D shapes can be combined (without overlap) to form this 3x3 square? Target shape: ⬛⬛⬛ ⬛⬛⬛ ⬛⬛⬛ Option A: "⬛⬛", "⬛⬛", "⬛⬛⬛", "⬛" Option B: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option C: "⬛⬛⬛", "⬛⬛", "⬛⬛", "⬛" Option D: "▲▲▲", "▲▲", "▲", "▲▲"
The correct set contains shapes that exactly tile the target without gaps or overlaps.
Option A shows the correct decomposition.
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