Compose 2D and 3D Shapes - 1st Grade Math
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Identify the $3$D shape: it has $2$ circular faces and $1$ curved surface.
Identify the $3$D shape: it has $2$ circular faces and $1$ curved surface.
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Right circular cylinder. Like a can with flat circular ends.
Right circular cylinder. Like a can with flat circular ends.
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Identify the $3$D shape: it has $1$ circular base and comes to $1$ point.
Identify the $3$D shape: it has $1$ circular base and comes to $1$ point.
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Right circular cone. Shaped like an ice cream cone.
Right circular cone. Shaped like an ice cream cone.
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Identify the $3$D shape: it is a box shape with rectangular faces (not all equal).
Identify the $3$D shape: it is a box shape with rectangular faces (not all equal).
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Right rectangular prism. A box with rectangular (not square) faces.
Right rectangular prism. A box with rectangular (not square) faces.
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Which $3$D shape can be made by stacking $2$ cubes: cube or right rectangular prism?
Which $3$D shape can be made by stacking $2$ cubes: cube or right rectangular prism?
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Right rectangular prism. Stacking cubes creates a taller box shape.
Right rectangular prism. Stacking cubes creates a taller box shape.
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What $2$D shape is the face of a cube?
What $2$D shape is the face of a cube?
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Square. Each face of a cube is identical.
Square. Each face of a cube is identical.
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What $2$D shape can be a face of a right rectangular prism?
What $2$D shape can be a face of a right rectangular prism?
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Rectangle. Box shapes have rectangular faces.
Rectangle. Box shapes have rectangular faces.
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What $2$D shape is the base of a right circular cone?
What $2$D shape is the base of a right circular cone?
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Circle. The flat bottom of a cone is circular.
Circle. The flat bottom of a cone is circular.
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Which option makes a larger composite shape: joining $3$ triangles or joining $1$ triangle?
Which option makes a larger composite shape: joining $3$ triangles or joining $1$ triangle?
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Joining $3$ triangles. More pieces create bigger composite shapes.
Joining $3$ triangles. More pieces create bigger composite shapes.
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What composite shape do you make by joining $2$ equal squares side by side?
What composite shape do you make by joining $2$ equal squares side by side?
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A rectangle. Two squares side-by-side form a longer shape.
A rectangle. Two squares side-by-side form a longer shape.
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What is a composite shape?
What is a composite shape?
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A shape made from $2$ or more shapes joined together. Multiple shapes combined form one new shape.
A shape made from $2$ or more shapes joined together. Multiple shapes combined form one new shape.
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What does it mean to decompose a shape?
What does it mean to decompose a shape?
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Split a shape into smaller shapes. Breaking apart means dividing into parts.
Split a shape into smaller shapes. Breaking apart means dividing into parts.
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What shape do you make by combining $2$ half-circles with straight edges together?
What shape do you make by combining $2$ half-circles with straight edges together?
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A circle. Two halves complete the whole.
A circle. Two halves complete the whole.
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What shape do you make by combining $2$ quarter-circles to match curved edges?
What shape do you make by combining $2$ quarter-circles to match curved edges?
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A half-circle. Two quarter-circles make half of a full circle.
A half-circle. Two quarter-circles make half of a full circle.
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What is a right circular cylinder?
What is a right circular cylinder?
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A solid with $2$ circular bases and a curved side. Shaped like a can or tube.
A solid with $2$ circular bases and a curved side. Shaped like a can or tube.
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Which solid has $2$ flat circular faces: cube, cylinder, cone?
Which solid has $2$ flat circular faces: cube, cylinder, cone?
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Cylinder. Only cylinders have 2 circular ends.
Cylinder. Only cylinders have 2 circular ends.
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