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Grade 4 Mathematics — Term 2, Week 9

5 day-plan(s) · WeLearn JA MATH T2 G4

Day 1: Perimeter

Grade 4 Mathematics · Term 2, Week 9 · 60 min
ObjectivesFind the perimeter by adding side lengths.
MaterialsRulers, shape cards
Key vocabularyperimeter, distance around
Engage (starter)"Walk around the edge - how far?"
Develop (main)Interactive: measure sides of shapes and add them to find the perimeter.
Plenary (close)Find the perimeter of a 3cm by 5cm rectangle.
AssessmentCorrect perimeters.
Teacher notesAdd all sides.

Day 2: Perimeter of Polygons

Grade 4 Mathematics · Term 2, Week 9 · 60 min
ObjectivesFind the perimeter of regular and irregular polygons.
MaterialsGeoboards, dot paper
Key vocabularypolygon, regular, irregular
Engage (starter)"Even a wobbly shape has a perimeter!"
Develop (main)Interactive: build polygons on geoboards; count or add unit lengths around them.
Plenary (close)Find the perimeter of your polygon.
AssessmentCorrect perimeters.
Teacher notesCount each side once.

Day 3: Area of Rectangles

Grade 4 Mathematics · Term 2, Week 9 · 60 min
ObjectivesFind the area of rectangles.
MaterialsGrid paper, tiles
Key vocabularyarea, square unit, rows, columns
Engage (starter)"Count the squares - or multiply!"
Develop (main)Interactive: cover rectangles with squares; discover area = rows x columns (length x width).
Plenary (close)Find the area of a 4 by 6 rectangle.
AssessmentCorrect areas.
Teacher notesLink area to multiplication.

Day 4: Area and Perimeter Together

Grade 4 Mathematics · Term 2, Week 9 · 60 min
ObjectivesDistinguish and find both area and perimeter.
MaterialsGrid paper
Key vocabularycompare, area, perimeter
Engage (starter)"Same shape - two different measures!"
Develop (main)Interactive: for given shapes, find both perimeter (around) and area (inside); compare.
Plenary (close)Which is which?
AssessmentCorrect distinction.
Teacher notesPerimeter is length; area is covering.

Day 5: Review: Perimeter and Area

Grade 4 Mathematics · Term 2, Week 9 · 60 min
ObjectivesConsolidate perimeter and area.
MaterialsGrid task cards
Key vocabularyreview
Engage (starter)"Perimeter and area challenge!"
Develop (main)Interactive: station cards finding perimeter and area of various shapes.
Plenary (close)Share your answers.
AssessmentStation accuracy.
Teacher notesKeep the two ideas distinct.