Here are two subtraction problems.
Once you have completed them, select which was harder for you to do, and explain why.
a) Mere had $76 in her bank account.
She spent $24.
How much did she have left in her account?
$52
$53
$62
$100
b) Alicia had $54. She paid $36 for some computer games.
How much did Alicia have left?
$12
$18
$19
$22
$28
c) Which of the two questions did you find harder?
I think that $76 - $24 was harder.
I think that $54 - $36 was harder.
I think that they are just as hard as each other.
d) Explain your answer to question c).