Easy or harder subtractions

This task is about subtraction. 

Here are two subtraction problems.

Once you have completed them, select which was harder for you to do, and explain why.

Question

a) Mere had $76 in her bank account.

    She spent $24.

    How much did she have left in her account?

    • $52

    • $53

    • $62

    • $100

Question

b) Alicia had $54. She paid $36 for some computer games.

    How much did Alicia have left?

    • $12

    • $18

    • $19

    • $22

    • $28

Question

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.

Question 1Change answer

d) Explain your answer to question c).

  • 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.