Sensitivity to caffeine varies for individuals, but in healthy adults the half life for caffeine is approx 6hrs meaning your body eliminates half the caffeine you have drunk in 6 hrs. Ref: **Caffeine Pharmacology**

Caffeine interferes with sleep. **One study** found that consuming caffeine **6 hours** before bedtime reduced total sleep time by **1 hour**.

Street art by **JEKS**, South Carolina

The Half life equation is an exponential function.

The **Mayo Clinic **advises up to 400mg Caffeine a day for adults, which would be;

10 black teas

7 instant coffees

4 cappuccinos

2 dark roast brewed

less than one cup of Black Insomnia Coffee.

Approx half this amount of caffeine for 14 yos.

]]>Sensitivity to caffeine varies for individuals, but in healthy adults the half life for caffeine is approx 6hrs meaning your body eliminates half the caffeine you have drunk in 6 hrs. Ref: Caffeine Pharmacology

Caffeine interferes with sleep. One study found that consuming caffeine **6 hours** before bedtime reduced total sleep time by **1 hour**.

Caffeine content sources Caffeine Content Data Base

Street art by JEKS, South Carolina

The Half life equation is an exponential function.

The Mayo Clinic advises up to 400mg Caffeine a day for adults, which would be;

9 black teas

6 instant coffees

4 cappuccinos

2 dark roast brewed

less than one cup of Black Insomnia Coffee.

Approx half this amount of caffeine for 14 yos.

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You may not want Lego brick blossoms falling on your head,

but the Giant Lego Cherry Blossom tree has some awesome maths

to explore. See the tree built in fast forward below.

]]>**Margaret Hamilton joined the Apollo Project as NASA’s first computer programmer in 1965!!!**

**Not only was she the first person to use the term SOFTWARE ENGINEER, her computer programming skills saved the Apollo 11 space capsule from crashing during the 1969 landing on the moon.**

**She was presented with the PRESIDENTIAL MEDAL OF FREEDOM by President Obama in 2016.**

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Matthew Parker is an Australian stand-up comedian, author, YouTube personality and maths communicator.

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**They think maths is so important they even put maths on stairs. Here is some times tables art from Germany.**

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**Mathpig just learnt this from a young Mathematician age 9.**

**It is a great way to do maths because you are thinking ‘Mmmm! How can I work these numbers.’ **

**Getting maths students to think about what they are doing is so much better than just having them guess ‘ Arrrr! Whatever. Click B.’**

**More jump strategy information here.**

**This will be very useful later when it comes to a similar method used to simplify long division:**