Rational Numbers Word Problems Lesson: All Four Operations, Grades 7-8

A "Choose one form" slide gives a plan: underline the start, each change and how many times; pick fractions or decimals and convert; estimate first. Contexts are temperature, a diver or submarine, a water level, rainfall against an average, race laps, a board length and a tide gauge. All numbers are invented for practice.

What's inside

• 16 slides (PowerPoint, editable), with speaker notes on all 16
• Lesson plan, 2 pages, with a 25-minute version
• Scaffolded notes, 1 page
• Practice worksheet, 2 pages, 17 practice items
• Exit ticket, 3 questions
• Unit Check, 1 page, 10 items
• Answer key, 4 pages, with every step worked
• PDF plus editable Word

Answer key included

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