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2D Shapes - Worksheet 5 - 1st Grade

Medium

Identify and describe flat shapes (Medium)

14 problems · 10-15 minutes · Skills: geometry, shape recognition

About This Worksheet

This medium-level worksheet contains 14 problems designed for 1st Grade students practicing 2d shapes. Medium worksheets introduce larger numbers and varied question formats to deepen understanding and build fluency.

2D shape recognition develops spatial reasoning and vocabulary that students use throughout geometry and in everyday life.

How to Solve: Worked Example

Example Problem: A rectangle has ___ sides and ___ corners.
Solution Steps:
  1. Count the sides of a rectangle: top, bottom, left, right = 4 sides.
  2. Count the corners (vertices): 4 corners.
Answer: 4 sides, 4 corners
Tip: Sides and corners always match for polygons — a shape with 4 sides always has 4 corners.
1
A rectangle has ___ sides and ___ corners
2
A triangle has ___ sides and ___ corners
3
A rectangle has ___ sides and ___ corners
4
A rectangle has ___ sides and ___ corners
5
A pentagon has ___ sides and ___ corners
6
A pentagon has ___ sides and ___ corners
7
A pentagon has ___ sides and ___ corners
8
A triangle has ___ sides and ___ corners
9
A pentagon has ___ sides and ___ corners
10
A triangle has ___ sides and ___ corners
11
A square has ___ sides and ___ corners
12
A triangle has ___ sides and ___ corners
13
A rectangle has ___ sides and ___ corners
14
A pentagon has ___ sides and ___ corners

Answer Key

1. 4 sides, 4 corners2. 3 sides, 3 corners3. 4 sides, 4 corners4. 4 sides, 4 corners5. 5 sides, 5 corners6. 5 sides, 5 corners7. 5 sides, 5 corners8. 3 sides, 3 corners9. 5 sides, 5 corners10. 3 sides, 3 corners11. 4 sides, 4 corners12. 3 sides, 3 corners13. 4 sides, 4 corners14. 5 sides, 5 corners

Frequently Asked Questions

How do I download this 2d shapes - worksheet 5 worksheet?

Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

How many problems are on this worksheet?

This worksheet contains 14 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included.