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OAS 4.GM.1.2 Worksheets

OAS 4.GM.1.2 (Oklahoma, 4th Grade): "Describe, classify, and construct quadrilaterals, including squares, rectangles, trapezoids, rhombuses, parallelograms, and kites; recognize quadrilaterals in various models." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.

Geometry & Measurement (GM) 4.GM.1 Name, describe, classify, and construct polygons and three-dimensional figures based on their attributes; recognize polygons and three-dimensional figures in real-life and mathematical situations. 4.GM.1.2Describe, classify, and construct quadrilaterals, including squares, rectangles, trapezoids, rhombuses, parallelograms, and kites; recognize quadrilaterals in various models.

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4.GM.1.2

OAS 4.GM.1.2 Worksheets - Shapes worksheet

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Shapes

3g1

Student objectives

Identify polygons by counting how many sides they have (5 to 10).
Match each shape name to the correct picture (pentagon through decagon).
Tell the difference between similar-looking polygons by checking the number of sides and corners.

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OAS 4.GM.1.2 Worksheets - Irregular Shapes (4,5,6,7,8,9 & 10 sides) worksheet

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Irregular Shapes (4,5,6,7,8,9 & 10 sides)

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Student objectives

Count the sides and corners (vertices) of a polygon to figure out what it is.
Name irregular polygons as quadrilaterals, pentagons, hexagons, heptagons, octagons, nonagons, or decagons.
Use shape clues like sides, angles, and vertices to choose the correct polygon name.

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OAS 4.GM.1.2 Worksheets - Regular Shapes (3,4,5,6,7,8,9 & 10 sides) worksheet

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Regular Shapes (3,4,5,6,7,8,9 & 10 sides)

3g1

Student objectives

Name a regular polygon by counting its sides (triangle through decagon).
Use the words triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, and decagon correctly.
Tell that a shape is regular by noticing its equal sides and equal angles.
Count sides and vertices carefully to avoid mixing up similar-looking polygons.

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OAS 4.GM.1.2 Worksheets - Identifying Regular and Irregular Polygons worksheet

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Identifying Regular and Irregular Polygons

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Student objectives

Decide whether a polygon is regular or irregular by checking if all sides and angles match.
Spot shapes that look similar but are irregular because one side or angle is different.
Use words like side, angle, and vertex to describe why a shape is regular or irregular.
Compare different polygons and sort them into regular and irregular groups.

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OAS 4.GM.1.2 Worksheets - Word Problems (3 - 10 sides) worksheet

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Word Problems (3 - 10 sides)

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Student objectives

Identify common polygons by name when you read a short word problem.
Count and match the number of sides to the correct shape.
Use shape clues in a sentence (like “has 8 sides”) to choose the right polygon.

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OAS 4.GM.1.2 Worksheets - Classifying Quadrilaterals worksheet

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Classifying Quadrilaterals

4g2 5g3

Student objectives

Decide whether a quadrilateral is a square, rectangle, rhombus, parallelogram, trapezoid or kite.
Use side lengths, parallel sides and right angles to classify a shape.
Recognize that a square is also a rectangle, a rhombus and a parallelogram.

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OAS 4.GM.1.2 Worksheets - Selecting Quadrilaterals by Type worksheet

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Selecting Quadrilaterals by Type

4g2 5g3

Student objectives

Select every shape of a named type from a group of quadrilaterals.
Hold a definition against several figures at once.
Recognize that more than one shape in a group can share a name.

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