Further binary addition - Answers
Q1. 3 + 3 + 3 = 0000 1001
Q2. 7 + 3 + 2 = 0000 1100
Q3. 5 + 13 + 4 = 0001 0110
Q4. 9 + 8 + 24 = 0001 1000
Q5. 15 + 15 + 7 = 0010 0101
Q6. 5 + 5 + 5 + 5 = 0001 0100
Q7. 13 + 5 + 15 + 7 = 0010 1000
Q8. 7 + 7 + 7 + 7 + 7 = 0010 0011
Q9. 31 + 15 + 31 + 15 + 7 = 0110 0011
Q10. 127 + 63 + 31 + 15 + 7 = 1111 0011
Extension task
Set problems for your neighbour. See if they can do them. Think carefully about the numbers you select and you will be able to make the additions harder!