Lesson 15
Adding and Subtracting with Scientific Notation
Lesson Narrative
Students add and subtract with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Students must make sense and use quantitative reasoning when making comparisons, for example, when comparing whether 5 planets side by side are wider than the Sun (MP1, MP2).
Learning Goals
Teacher Facing
- Generalize (orally and in writing) a process of adding and subtracting numbers in scientific notation and interpret results in context.
Student Facing
Let’s add and subtract using scientific notation to answer questions about animals and the solar system.
Learning Targets
Student Facing
- I can add and subtract numbers given in scientific notation.
CCSS Standards
Addressing
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