Where does 0 come from?
Ancient India
x = 10 - 6 ÷ 2
x = 7
x = 18 - 18
x = 0
8 ⋅ 6
8, 16, 24, 32, 40, (48)
32 ÷ 8
8, 16, 24, 32
(4)
Where do our numbers come from?
Ancient India
x = 4 + 3 ⋅ 2
x = 10
x = 0 - 18
x = -18
7 ⋅ 7
7, 14, 21, 28, 35, 42, (49)
35 ÷ 7
7, 14, 21, 28, 35
(5)
Draw a 7, in ancient Roman numerals.
What is VII
x = 9 - (5 - 2)
x = 6
x = 18 - 0
x = 18
6 ⋅ 7
6, 12, 18, 24, 30, 36, (42)
42 ÷ 6
6, 12, 18, 24, 30, 36, 42
(7)
Draw Sumerian tokens for the number 7.
Δ Δ Δ Δ Δ Δ Δ
Fill in the math words:
P________
E________
M________
D________
A________
S________
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
x = 3 - 18
x = -15
3 ⋅ 9
3 6 9 12 15 18 21 24 (27)
18 ÷ 3
3 6 9 12 15 18
(6)
What are the only two number words the Warlpiri have?
"One" and "Many"
Write your favorite PEMDAS sentence.
<answers vary>
x = 18 - 3
x = 15
Skip count by 3s, 4 times.
3 6 9 12
Skip count by 3s, until you reach 15.
3 6 9 12 15