Emma is sorting her toys into two groups: flat shapes and solid shapes. She has a picture of a triangle, a real ball, a drawing of a square, and a toy block. Which of these is a solid shape?
A. Triangle
B. Drawing of a square
C. Ball
D. Square
Sophia sees a dice on the table. The dice is a small block that she can pick up and roll. Is the dice a 2D shape or a 3D shape?Answer: ______________
Liam is building a toy house using different shaped blocks. He needs a block that has 6 flat faces, all shaped like squares. Which shape should Liam use for his building?
A. Sphere
B. Cube
C. Cylinder
D. Cone
Which shape is flat and has 4 equal sides?
A. Pyramid
B. Square
C. Sphere
D. Cube
Which shape is flat and has 4 sides?
A. Pyramid
B. Sphere
C. Square
D. Cube
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Answer Key & Explanations
2D vs 3D Shapes · Grade 1 · Worksheet 3
Emma is sorting her toys into two groups: flat shapes and solid shapes. She has a picture of a triangle, a real ball, a drawing of a square, and a toy block. Which of these is a solid shape?Answer: C. Ball Solution: A triangle is a flat shape with 3 sides. A ball is a sphere, which is a solid shape you can hold. A square is a flat shape with 4 equal sides.Full step-by-step solution
Step 1: A triangle is a flat shape with 3 sides.
Step 2: A ball is a sphere, which is a solid shape you can hold.
Step 3: A square is a flat shape with 4 equal sides.
Step 4: A drawing of a square is also a flat shape.
The ball is the only solid shape, so the correct answer is Ball.
Sophia sees a dice on the table. The dice is a small block that she can pick up and roll. Is the dice a 2D shape or a 3D shape?Answer: 3D shape Solution: A 2D shape is flat, like a square drawn on a piece of paper. You cannot pick it up. Step 2: A 3D shape is solid and takes up space.Full step-by-step solution
Step 1: A 2D shape is flat, like a square drawn on a piece of paper. You cannot pick it up. Step 2: A 3D shape is solid and takes up space. You can hold it, turn it around, and see it from all sides. Step 3: Sophia's dice is a real block that she can pick up and roll. It is not flat. Therefore, the dice is a 3D shape. The correct answer is 3D shape.
Liam is building a toy house using different shaped blocks. He needs a block that has 6 flat faces, all shaped like squares. Which shape should Liam use for his building?Answer: B. Cube Solution: A cylinder has 2 flat circular faces and 1 curved surface A sphere has 0 flat faces - it's completely round A cube has 6 flat faces, and all of them are squares A cone has 1 flat circular face and 1 curved surface Since Liam needs a shape with 6 flat square faces, the cube is the correct choice.Full step-by-step solution
Step 1: A cylinder has 2 flat circular faces and 1 curved surface
Step 2: A sphere has 0 flat faces - it's completely round
Step 3: A cube has 6 flat faces, and all of them are squares
Step 4: A cone has 1 flat circular face and 1 curved surface
Since Liam needs a shape with 6 flat square faces, the cube is the correct choice.
The correct answer is Cube.
Which shape is flat and has 4 equal sides?Answer: B. Square Solution: A cube is a 3D shape, not a flat one. A square is a flat, 2D shape with 4 sides that are all equal. A sphere is a round 3D shape with no flat sides.Full step-by-step solution
Step 1: A cube is a 3D shape, not a flat one.
Step 2: A square is a flat, 2D shape with 4 sides that are all equal.
Step 3: A sphere is a round 3D shape with no flat sides.
Step 4: A pyramid is a 3D shape with a square base and triangular sides.
The correct answer is Square, a square.
Which shape is flat and has 4 sides?Answer: C. Square Solution: A cube is a 3D shape with 6 faces. A square is a flat, 2D shape with 4 equal sides. A sphere is a round 3D shape with no flat sides.Full step-by-step solution
Step 1: A cube is a 3D shape with 6 faces.
Step 2: A square is a flat, 2D shape with 4 equal sides.
Step 3: A sphere is a round 3D shape with no flat sides.
Step 4: A pyramid is a 3D shape with a square base and triangular sides.
The correct answer is Square.
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