Ages 8–11🧮 MathematicsBeing planted

Nets of 3-D Shapes

Identify, draw, and interpret nets of common 3-D shapes — cubes, cuboids, triangular prisms, and square-based pyramids — by predicting which 3-D shape a given flat arrangement of faces will fold into, checking whether a net will close comp…

A first look

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Question 1 of 3

A rectangular prism has a net made of six rectangles: two rectangles each measuring 2 cm by 3 cm, two rectangles each measuring 2 cm by 4 cm, and two rectangles each measuring 3 cm by 4 cm. What is the total surface area of the prism in square centimeters?

Question 2 of 3

A rectangular prism has length 5 units, width 4 units, and height 3 units. Its net consists of two rectangles that are 3 by 4, two that are 3 by 5, and two that are 4 by 5. What is the surface area of the prism in square units?

Question 3 of 3

What is the measure, in degrees, of the sum of the interior angles of a regular octagon?

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.