One Whole, One Hundred Parts — Year 5 Percentages Unit

Start with the whole, then make every percentage meaningful. In this five-lesson Year 5 unit, learners represent 10%, 25%, 50%, 75% and 100% using equal parts and hundred grids. They compare amounts on a consistent whole, explain shaded and unshaded complements, and test the mistaken claim that the same count always means the same percentage. A 25-of-100 versus 25-of-50 contrast makes the role of the whole clear.

The sequence includes explicit modelling, guided and independent decisions, a partner matching game, transfer tasks and an individual assessment. Teacher guidance provides preparation, five lesson moves, differentiation, the game key, marking expectations and next teaching steps. The final assessment checks four familiar values on one fixed 100-cell whole, a complement and a reasoned explanation.

What's included

• 25-page unit-plan PDF: contents page, three teacher-guide pages and 21 resource pages.
• Colour display and 12 model cards.
• Three progressive black-and-white practice worksheets and two transfer worksheets, each with a matching answer page.
• Colour partner game with instructions and 12 challenge cards.
• Independent assessment, matching marking page and evidence-based rubric.
• Editable 18-slide teaching presentation and editable 26-slide quiz with 12 question-and-explanation pairs.
• Watermarked Preview PDF.

Learning focus

Name and hold a whole fixed; represent familiar percentages with equal parts; explain shaded and unshaded complements; compare relative sizes with a model.

Classroom use

Five 45–60 minute lessons with whole-class modelling, partner talk, differentiated practice and independent assessment.

Teacher benefits

Ready-to-use lesson sequence, clear fixed-whole models, progressive practice, purposeful partner discussion and observable assessment evidence.

Digital product and licence

Digital download only; no physical item. Use is subject to the applicable store licence terms.

Formats and page counts

Digital PDF and editable PPTX. Unit plan: 25 pages. Teaching presentation: 18 slides. Quiz: 26 slides. Answer and marking pages are included; quiz answers follow each question.