Multiplying Rational Numbers
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Multiplying Rational Numbers
📚 Part 1: Multiple Choice
I can... multiply integers, fractions, and decimals and simplify results.
Success criteria:
- Multiply numerators and denominators correctly or multiply decimal values.
- Determine the sign of a product using rules for negatives.
- Simplify answers to lowest terms or give the correct decimal.
Differentiation strategies: Provide fraction strips or a calculator for computation checks; offer worked examples and sentence stems for students who need language support.
Extension activity: Find how the volume of a box changes when each side is multiplied by 3/2 (use (3/2)^3).
Dyslexia-friendly reading options: Read problems aloud, present one line at a time, provide high-contrast or colored overlays, and allow extra processing time.
✏️ Part 2: Short Answers (Show all work)
More support: For students who need extra help, break a problem into two steps (find sign, then multiply absolute values). Allow using a calculator for decimal multiplication when practicing the sign and simplification concepts.
Advanced extension: Choose a 3D object, scale each dimension by 1.5, and calculate the new volume and the factor by which volume changed.
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