Addition and subtraction word problems – up to 100

Learn with an example

💡 Ted had 44 letters. Then 2 more came in the post.

How many letters does Ted have now?

____ letters

  • Add the numbers of letters.
  • Add: 44 + 2=
  • You can count up to add. Start from 44 and count up 2:
  • 44, 45, 46
  • 44 + 2=46
  • The sum is 46. Ted now has 46 letters.

💡 Susan is building a cabinet. She needs 33 one-inch bolts and 12 one-and-a-half-inch bolts.

How many bolts in all does Susan need?

___ bolts

  • Add the number of bolts.
  • Add: 33 + 12
  • Add the ones. Add 3 + 2.
  • 3 3 + 1 2=5
  • Add the tens. Add 3 + 1.
  • 3 3 + 1 2= 4 5
  • The sum is 45. Susan needs 45 bolts in all.

💡 A car dealer has a total of 97 cars. He has 56 new cars.

How many used cars does the dealer have?

____ used cars

  • Subtract the number of new cars from the total number of cars.
  • Subtract:
  • 97 − 56
  • Subtract the ones.
  • 9 7 – 5 6=1
  • Subtract the tens.
  • 9 7 – 5 6= 4 1
  • The difference is 41. The dealer has 41 used cars.

Let’s practice!🖊️