Question

Ms. Jones has 54 pencils. She gave 17 of the pencils to her students. How many pencils does Ms. Jones have left? Show how to subtract two-digit numbers by adding up.

Answer 1

54

- 17

------

37

xy

+17

----

54

x +7 = 4

7 carry a 1

y + 1 + carry =5

y =3

xy = 37