Adding and Subtracting Scientific Notation

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Objective

I can add and subtract numbers in scientific notation, expressing the answer in scientific notation.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Convert 3.2 × 10⁴ to a number with an exponent of 3.

2

Explain why it is necessary to have the same exponent when adding or subtracting numbers in scientific notation.

Part 3 of 3

Exit ticket

Quick comprehension check

Calculate: (3.4 × 10⁴) + (2.1 × 10³) and express the result in scientific notation. Calculate: (8.6 × 10⁻²) - (5 × 10⁻³) and express the result in scientific notation. Calculate: (1.2 × 10⁵) - (9.5 × 10⁴) and express the result in scientific notation.

Sample answer included in the free materials

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