Problem 1.1: In the numeral 902,341, what digit is in the...
a) tens place?
b) thousands place?
c) ten thousands place?
d) ones place?
e) hundred thousands place?
f) hundreds place? [Solution]

Problem 1.2: Write out the following numeral: 8 ten millions, 4 millions, 0 hundred thousands, 0 ten thousands, 7 thousands, 1 hundred, 3 tens, 2 ones. [Solution]

Problem 1.3: Write out the following numeral: 7 millions, 4 ten thousands, 6 thousands, 9 ones. [Solution]

Problem 1.4: How many hundreds is equal to 7 thousands? To 7 ten thousands? [Solution]

Problem 1.5: What place does "4" occupy in each of the following numbers:
a) 904
b) 4,391,637
c) 83,421 [Solution]

Problem 1.6: What is the largest number that can be formed with the digits 7, 2, 9, 1, and 5? The smallest? [Solution]