Grade 3 Mathematics — Term 2, Week 7
5 day-plan(s) · WeLearn JA MATH T2 G3
Day 1: Comparing Mass
Grade 3 Mathematics · Term 2, Week 7 · 60 min
| Objectives | Compare the mass of objects. |
|---|
| Materials | Balance scale, objects |
|---|
| Key vocabulary | mass, heavier, lighter, balance |
|---|
| Engage (starter) | "Which is heavier - guess, then check." |
|---|
| Develop (main) | Interactive: estimate then use a balance to compare pairs; order 3 objects by mass. |
|---|
| Plenary (close) | Share a surprising result. |
|---|
| Assessment | Correct comparisons. |
|---|
| Teacher notes | Estimate first. |
|---|
Day 2: Grams and Kilograms
Grade 3 Mathematics · Term 2, Week 7 · 60 min
| Objectives | Choose grams or kilograms for given objects. |
|---|
| Materials | 1kg and gram weights, objects |
|---|
| Key vocabulary | gram, kilogram, unit |
|---|
| Engage (starter) | "Feather in grams, bag of rice in kilograms." |
|---|
| Develop (main) | Interactive: hold reference weights; sort objects by the best unit; discuss why. |
|---|
| Plenary (close) | Which unit for a mango? |
|---|
| Assessment | Correct unit choice. |
|---|
| Teacher notes | Build a sense of size. |
|---|
Day 3: Measuring Mass with a Scale
Grade 3 Mathematics · Term 2, Week 7 · 60 min
| Objectives | Measure mass using a scale. |
|---|
| Materials | Spring or kitchen scale, objects |
|---|
| Key vocabulary | scale, read, record |
|---|
| Engage (starter) | "Let us weigh real objects!" |
|---|
| Develop (main) | Interactive: weigh objects at stations; read the scale; record masses in a table. |
|---|
| Plenary (close) | Share your heaviest object. |
|---|
| Assessment | Accurate reading. |
|---|
| Teacher notes | Read the scale carefully. |
|---|
Day 4: 1000 g = 1 kg
Grade 3 Mathematics · Term 2, Week 7 · 60 min
| Objectives | Relate grams and kilograms. |
|---|
| Materials | Weights, whiteboards |
|---|
| Key vocabulary | convert, equivalent |
|---|
| Engage (starter) | "How many grams in a kilogram?" |
|---|
| Develop (main) | Interactive: combine gram weights to make 1kg; simple conversions; compare masses. |
|---|
| Plenary (close) | How many grams in 2 kg? |
|---|
| Assessment | Correct relation. |
|---|
| Teacher notes | Foundation for conversion. |
|---|
Day 5: Mass Word Problems and Review
Grade 3 Mathematics · Term 2, Week 7 · 60 min
| Objectives | Solve addition and subtraction problems with mass. |
|---|
| Materials | Whiteboards |
|---|
| Key vocabulary | total mass, difference |
|---|
| Engage (starter) | "Two bags: 3kg and 2kg together?" |
|---|
| Develop (main) | Interactive: solve mass problems (add and subtract) on whiteboards; keep the units. |
|---|
| Plenary (close) | Share your equation. |
|---|
| Assessment | Correct answers. |
|---|
| Teacher notes | Treat units like numbers. |
|---|