Transformations on a Grid
Identify, describe, and represent the position of a shape following a reflection or translation using appropriate language; know that the shape has not changed
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“If your child slides or flips a shape on squared paper, can they describe exactly where it ends up and confirm the shape itself hasn't changed size or angles?”
Full guide and materials
- Activity. Identify, describe, and represent the position of a shape following a reflection or translation using appropriate language; know that the shape has not changed
What to notice. Reflect a triangle in a vertical mirror line on a coordinate grid and state the new coordinates • Translate a shape 3 units right and 2 units up and describe the movement • Explain that a reflected/translated shape is congruent to the original
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If your child slides or flips a shape on squared paper, can they describe exactly where it ends up and confirm the shape itself hasn't changed size or angles?
Identify, describe, and represent the position of a shape following a reflection or translation using appropriate language; know that the shape has not changed
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Check understanding
- Reflect a triangle in a vertical mirror line on a coordinate grid and state the new coordinates
- Translate a shape 3 units right and 2 units up and describe the movement
- Explain that a reflected/translated shape is congruent to the original
“If your child slides or flips a shape on squared paper, can they describe exactly where it ends up and confirm the shape itself hasn't changed size or angles?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Geometry
- Age range
- Ages 9–10