Grade 3 Math · Measurement and Geometry
Virginia SOL 3.MG.4
Virginia SOL 3.MG.4 is part of the Measurement and Geometry strand in Grade 3 Math (Math). Under this Standards of Learning objective, students identify, describe, classify, compare, combine, and subdivide polygons. Below is what 3.MG.4 covers in plain language, the specific skills it is assessed on, the key concepts to review, and how to practice 3.MG.4 for the Virginia SOL test.
What SOL 3.MG.4 means
Identify, describe, classify, compare, combine, and subdivide polygons.
Practice Grade 3 Math SOL questions
Free Grade 3 Math questions from official Virginia Department of Education released SOL tests — good practice while you work on 3.MG.4 and the rest of the course. Pick an answer to check it instantly, or open “Show answer” to review.
1. 85, 82, 79, 76,? What is the next number?
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Answer: B — 73
2. Machine rule: 30 → 21 20 → 11 10 → 1 What rule is used?
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Answer: D — Subtract 9
3. What counting number comes right after 539?
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Answer: C — 540
4. Ginger bought 3 children’s tickets and 11 total tickets. How many adult tickets did she buy?
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Answer: B — 8
Skills you’ll practice for 3.MG.4
- Describe a polygon as a closed plane figure composed of at least three line segments that do not cross.
- Classify figures as polygons or not polygons and justify reasoning.
- Identify and describe triangles, quadrilaterals, pentagons, hexagons, and octagons in various orientations.
- Identify and name examples of polygons in the environment.
- Classify and compare polygons (triangles, quadrilaterals, pentagons, hexagons, octagons).
- Combine no more than three polygons (each with three or four sides) and name the resulting polygon.
- Subdivide a three-sided or four-sided polygon into no more than three parts and name the resulting polygons.
Key concepts covered by 3.MG.4
- polygon
- closed plane figure
- line segments
- classify polygons
- justify reasoning
- identify polygons
- triangles
- quadrilaterals
- pentagons
- hexagons
- octagons
- environment
- compare polygons
- combine polygons
- resulting polygon
- subdivide polygons
- resulting polygons
How to study and practice SOL 3.MG.4
Start with a quick diagnostic to see whether 3.MG.4 is already solid, then work each skill above with guided notes, flashcards, and SOL-style practice questions. For official released items, see our Virginia SOL practice tests guide and how to study for the SOL test.
Related Grade 3 Math standards in Measurement and Geometry
Frequently asked questions about SOL 3.MG.4
What is Virginia SOL 3.MG.4?
SOL 3.MG.4 is a Grade 3 Math Standard of Learning in the Measurement and Geometry strand. It expects students to identify, describe, classify, compare, combine, and subdivide polygons.
What skills does SOL 3.MG.4 cover?
SOL 3.MG.4 is assessed on 7 skills: describe a polygon as a closed plane figure composed of at least three line segments that do not cross; classify figures as polygons or not polygons and justify reasoning; identify and describe triangles, quadrilaterals, pentagons, hexagons, and octagons in various orientations; identify and name examples of polygons in the environment; classify and compare polygons (triangles, quadrilaterals, pentagons, hexagons, octagons); combine no more than three polygons (each with three or four sides) and name the resulting polygon; subdivide a three-sided or four-sided polygon into no more than three parts and name the resulting polygons.
What strand of Grade 3 Math is SOL 3.MG.4 in?
SOL 3.MG.4 belongs to the Measurement and Geometry reporting strand of the Grade 3 Math Virginia Standards of Learning.
How do I study and practice for SOL 3.MG.4?
Start with a diagnostic to see whether 3.MG.4 is already solid, then work the 7 skills above with guided notes, flashcards, and SOL-style practice questions. For official released items, see the Virginia SOL practice tests guide.