• 2 pi r=circumfrence
• There are 3 parts of a wheel
•2r=diameter
•circumfrence is the distance around a circle
• The are 360 degrees in a circle
• the bars in the wheel are called spokes
• Every job uses math
• 1 shilling = 12 pennies
• learning does not require technology
• We use the customary unit because British made it up and the US were British colomies
• Math facts are taught by books
•When you first learn basic facts you can use other things
• Always read the whole word problem
• An ell = 45 inches
• There were ancient tools that people used instead of calculaters
• Perimeter is the total distance around the shape
• Area is the amount of space in a shape
• Musket balls were made of lead
•Soldiers need to know math
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