What is the answer?

This task is about different answers to maths problems.

Question 1Change answer

a)  Natalie said the answer to 3 + 2 x 4 is 11. 
     Renata said the answer is 20. 
     Who is correct? RenataNatalie
     Explain why their answer is correct:
     

Question 1Change answer

b)  Olivia said the answer to 12 + 6 ÷ 3 – 1 is 5. 
     Kewene said the answer is 9.
     Alex said the answer is 13.
     Sue said the answer is 15.
     Who is correct? OliviaKeweneAlexSue
     Explain why their answer is correct: