Problem
1. Use the base-ten number line to prove the solutions to the following operations, where A is 5 and B is 7.
a. A + B
b. A B
c. B + A
d. B A
2. Given a fixed-sized number scheme, where k in the formula for the ten's complements is 6, answer the following questions.
a. How many positive integers can be represented?
b. How many negative integers can be represented?
c. Draw the number line showing the three smallest and largest positive numbers, the three smallest and largest negative numbers, and zero.