Coordinates (age 10+)
Describe positions on the full coordinate grid (all four quadrants); use coordinates with negative values
Lesson
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“Coordinates (age 10+) means practising the idea at the table with counters or paper models and one clear check. We will demo once, then your child tries.”
Bring to the table
- Number line (−5 to 5) on paper
- A token
Extra for the adult
Worked example. On the number line, 3 is to the right of −2, so 3 is greater.
Optional challenge. For Coordinates (age 10+), add one harder example after success.
What to notice. Keep one parent note: examples tried; results; support used. This session samples Coordinates (age 10+), not mastery.
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1 approach
Coordinates (age 10+) means practising the idea at the table with counters or paper models and one clear check. We will demo once, then your child tries.
Materials: Number line (−5 to 5) on paper; A token. Adult places −2 and +3 and compares which is greater. Child places three integers and says which is greater for two pairs. Done: three placements plus two correct comparisons. Stop after the fresh check; keep optional challenge for another day.
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Learning resources
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PhET Interactive Simulations · Practice link — not the full lesson
Area Builder
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Area Builder supports hands-on exploration for Coordinates (age 10+). Not every lab worksheet.
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Public PhET Interactive Simulations page. An anonymous GET on 2026-11-12 returned HTTP 200 with no login or payment prompt for this URL. Opening the link does not save practice or assess mastery. An adult should preview and guide the learner.
PhET Interactive Simulations. “Area Builder.” External page; Gakuva does not copy, host, embed, or redistribute materials.
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Check understanding
- Plot points with negative coordinates such as (−3, 4) and (2, −5) on a four-quadrant grid
- Identify the quadrant in which a given point lies
- Describe the position of a shape using coordinates in all four quadrants
“If your child is playing a game where ships can be at negative coordinates too, can they correctly plot and read positions like (−3, 2) or (1, −4) on a grid?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Geometry
- Age range
- Ages 10–13
Standards