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Grade 8 Math · Problem type
Powers of ten by name
Use this for “Match 1,000,000 to one million and to a power of ten.”
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Which power of ten is it?
Tap a card, then tap its group.
Assumptions
•
Each power of ten is ten times the one before: 10⁶ is 1 followed by 6 zeros.
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A negative power is one over the power: 10⁻³ = 1/1,000 = 0.001.
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Related lessons
Scientific notation
Main lesson
Which is bigger, and how many times
Use this for “Which is greater, 2.4 × 10⁷ or 6.5 × 10⁴, and about how many times?”
Multiply in scientific notation
Use this for “(3.1 × 10⁴) × (2 × 10⁶)”.
Add and subtract in scientific notation
Use this for “3.6 × 10⁵ + 2.9 × 10⁵” or “How much larger is 4.2 × 10⁸ than 7.5 × 10⁷?”