. 1. Compute the following
i. 231four + 322four (4 marks)

ii. 1ettwelve + 11Dsixteen. Give your answer in base ten (8 marks)

2. find m if 23 m + 101 m = 130m if m is a base (4 marks)

3. Find the base of addition and the missing digits x and y (4 marks)
2 x 6
3 4 5
y 2 4

4. Complete the addition table for base sixteen below by finding the values of w, x,y, and z.(4 marks)
+
D
E
F
10
8
w
16
y
18
9
16
x
18
19
A
17
18
19
z

5. Work out the following.
i. 324 seven – 235seven (4 marks)

ii. 412five – 221four give your answer in base four (06 marks)