Order of Operations
5 plus 7 divided by 7
6
what are/is the missing number(s): 2,4, , ,10
6,8
20 plus 40
60
what is the '5' in '350'?
tens
Who first invented numbers?
the Egyptians
11 minus (5 multiplied by 12 divided by 10)
what are/is the missing number(s): 13, , 19, 21.
16
55 plus 37
92
what is the '7' in '5700'?
hundreds
what is the oldest number system?
The Babylonian cuneiform method
14 multiplied by 3 plus 7 divided by 7
43
what are/is the missing number(s): 12, 24, , 48, 60, .
36, 72
79 minus 80
-1
what is the '1' in '10,000'?
tens of thousands
who invented the number '0'?
Mohammed ibn-Musa al-Khowarizmi
300 plus 33 divided by 11 multiplied by 3
309
what are/is the missing number(s): 7, , 21, , 35.
14, 28
47 plus 164
211
what is the '7' in '796,803'?
Where did numbers get their shape?
from the amount of angles they have.
200 multiplied by 7 minus 2 divided by 2
1399
what are/is the missing number(s): 9, 19, 30, , .
42, 55
300 minus 40 plus 55 plus 37
352
which number is in the 'tenths'? '736529.4'
4
what does 'number' mean?
more than two but fewer than many