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Grade 3 Mathematics — Term 3, Week 8

5 day-plan(s) · WeLearn JA MATH T3 G3

Day 1: Finding the Unknown (n)

Grade 3 Mathematics · Term 3, Week 8 · 60 min
ObjectivesFind n when it stands for a missing number.
MaterialsCounters, whiteboards, boxes
Key vocabularyunknown, n, missing number
Engage (starter)"A box hides a number: n + 5 = 12."
Develop (main)Interactive: use counters to find the hidden number; write and solve n-sentences.
Plenary (close)Solve n - 3 = 8.
AssessmentCorrect value of n.
Teacher notesConcrete before abstract.

Day 2: n in Multiplication and Division

Grade 3 Mathematics · Term 3, Week 8 · 60 min
ObjectivesFind n when it is a factor, product, or quotient.
MaterialsArray tiles, whiteboards
Key vocabularyfactor, product, quotient, unknown
Engage (starter)"3 x n = 15 - what is n?"
Develop (main)Interactive: use arrays to find a missing factor or product; solve simple x and divide n-sentences.
Plenary (close)Solve n x 4 = 20.
AssessmentCorrect value of n.
Teacher notesUse fact families.

Day 3: If...Then Statements

Grade 3 Mathematics · Term 3, Week 8 · 60 min
ObjectivesSolve If...then statements linking operations.
MaterialsStatement cards, whiteboards
Key vocabularyif, then, substitute
Engage (starter)"If n = 7, then n + n = ?"
Develop (main)Interactive: solve If...then cards (if n=7 then 3xn=?); substitute the value and evaluate.
Plenary (close)If n = 8, then n + n = ?
AssessmentCorrect evaluation.
Teacher notesSubstitute carefully.

Day 4: Money n-Sentences

Grade 3 Mathematics · Term 3, Week 8 · 60 min
ObjectivesWrite and solve n-sentences about earning, spending, and saving.
MaterialsPlay money, whiteboards
Key vocabularyearn, spend, save, unknown
Engage (starter)"I saved n, spent 4, have 6 left."
Develop (main)Interactive: model money stories with play money; write n-sentences and solve.
Plenary (close)Solve n - 4 = 6.
AssessmentCorrect value of n.
Teacher notesLink maths to money sense.

Day 5: Review: Algebra

Grade 3 Mathematics · Term 3, Week 8 · 60 min
ObjectivesConsolidate unknowns and If...then.
MaterialsReview packet
Key vocabularyreview
Engage (starter)"Mystery number games!"
Develop (main)Interactive: mystery-number relay and If...then cards.
Plenary (close)Share a solved mystery.
AssessmentPacket accuracy.
Teacher notesCheck substitution.