Richard Feynman (1918 –1988) was an American theoretical physicist. The Feynman Lectures on Physics, delivered during 1961–1963, used the convention that multiplication is of higher precedence than division.
PRIORITY OF CALCULATIONS
Can you make 113 using just four 4's?
Key questions
When does order matter?
What are powers, roots and reciprocals?
Can we work with brackets?
What are directed numbers?
Can we work with directed numbers?
4 lessons
Literacy
stories that set a frame or background
stories that accompany or intertwine
stories that introduce
stories that explain
stories that ask a question
stories that entertain
Alice's Adventures in Wonderland by Lewis Carroll
Introduce...
50 to 100 - 1, 2, 3
bidmas don - 1
commutativity - 1
directeds intro - 4, 5
first steps 1 - 1, 2, 3
first steps 2 - 1, 2, 3
first steps 3 - 1, 2, 3
grouping addition - 1, 4
left to right - 1
squares - 2
tug of war - 4, 5
understanding the laws of arithmetic - 1, 2, 3
Develop...
always sometimes never - 4, 5
directed number mystery - 4, 5
five three's - 1
grouping roots - 1
countdown - 1, 2, 3
pmp directed 1 - 4, 5
pmp directed 2 - 4, 5
powers pmp - 2
reciprocals - 2
grouping brackets - 1, 2, 3
Extend...
four 4's - 1, 2, 3
seven circles - 4, 5
smile directed numbers - 4, 5
spiders - 1, 2, 3
the correct order - 1, 2, 3
three operations - 1, 2, 3, 4, 5