Year 4 · Mathematics · Extension Task · $6.99 AUD
A Year 4 addition and subtraction extension task built around balance puzzles and missing boxes. Over five parts, students keep number sentences balanced without calculating totals, use inverse operations to find missing numbers, solve a digit-card challenge, estimate to judge whether answers are reasonable and write their own balance puzzles. Teacher answers and notes are included.
Part of the "Mental Addition and Subtraction Strategies" sub-unit. Aligned to AC9M4A01, AC9M4N06, AC9M4N07 (Australian Curriculum v9).
Students will:
• Find unknown values in addition and subtraction number sentences
• Use the inverse operation to find a missing number
• Use estimation to check whether an answer is reasonable
• Create and check balance puzzles of their own
A ready-to-teach extension task, supplied as PDF, editable Word (DOCX) and PowerPoint (PPTX).
By Kookaburra Maths on EduSellers — ACARA-aligned teaching resources.
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