Year 4 - Maths
Mark the position of points specified by coordinates in the first quadrant of a coordinate grid
Coordinates
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will give directions from one position to another on a grid and move objects including polygons on a grid according to directions, and mark the new position. They will describe and draw polygons specified by translations.
Lesson Summary
You will learn to mark the position of points specified by coordinates in the first quadrant of a coordinate grid.
Key Notes
- The horizontal distance from the origin is recorded first.
- Points on a coordinate grid are measured from the origin.
- Points have a horizontal and vertical distance from the origin.
- Points are marked where the lines of the grid cross.
Vocabulary To Learn
- Origin: The origin is where the x-axis and y-axis cross.
- Coordinate: Coordinates are a set of values that show an exact position.
Common Mistakes To Avoid
- Pupils might not start counting from the origin (0,0) but from another point on the grid, leading to incorrect placement of the point.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
The horizontal distance from the origin is recorded first. Points on a coordinate grid are measured from the origin.
2. Use this key word in a maths sentence and explain it clearly. 'Origin'
The origin is where the x-axis and y-axis cross. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils might not start counting from the origin (0,0) but from another point on the grid, leading to incorrect placement of the point. Correction: Emphasise the importance of always starting from the origin when plotting or describing coordinates. Have students physically point to or touch the origin before plotting any point.
More Lessons In This Unit
- Complete polygons with missing coordinates Study Guide
- Describe translations of polygons drawn on a square grid Study Guide
- Draw polygons specified by coordinates in the first quadrant Study Guide
- Draw polygons specified by translations Study Guide
- Give directions from one position to another on a grid Study Guide
- Move objects including polygons on a grid according to directions and mark the new position Study Guide
- Solve problems involving marking and translating points in the first quadrant on a coordinate grid Study Guide
- Translate polygons in the first quadrant Study Guide
- Write coordinates for already marked points in the first quadrant of a coordinate grid Study Guide
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