Hello Year 10 Math!

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# Hello Year 10 Math! - PowerPoint PPT Presentation

Hello Year 10 Math!. Into 2 groups please...must have a boy and a girl.

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## PowerPoint Slideshow about 'Hello Year 10 Math!' - cairo-booker

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Presentation Transcript
Hello Year 10 Math!
• Into 2 groups please...must have a boy and a girl..

Problem 1 - Lillies
• First correct answer - yell it out
• A pond has a lilly growing in it that doubles in size every day. It takes 30 days to cover the pond. On what day will it cover a quarter of the pond?
Problem 2 - Pay it forward
• See video
• Question: The USA has a population of 307,006,550. If it takes each person a week to ‘pay it forward’, how long before everyone in the USA has something good done for them?
John McClane is having (another) bad day
• See video
• What’s the phone number the need (shhhh, don’t let on...)?
Back to John and Zeus...
• As I was going to St Ives
• I met a man with seven wives.
• Every wife had seven sacks,
• Every sack had seven cats,
• Every cat had seven kits.
• Kits, cats, sacks and wives,
• How many were going to St Ives?
• What was that phone number?
Exponential equations
• Exponential equations take the form of:
• Find what each variable does algebraically and graphically, and make a general statement for each - final product on A3 for display ( ‘a’ will..., ‘b’ controls how... ‘c’ controls...... etc )
• And make sure it says what happens if to the graph when…
• a > 0, b > 1 a > 0, 0 < b < 1
• a < 0, b > 1 a < 0, 0 < b < 1
Index laws
• Prove ‘em