Lesson Worksheet: Adding and Subtracting Lengths: Numbers up to 100 Mathematics • 2nd Grade

In this worksheet, we will practice how to solve problems to calculate the lengths of objects by adding and subtracting within 100.


Consider the two buildings shown.

Which building is shorter?

  • AThe 27-meter building
  • BThe 15-meter building

How much shorter is it?


This paper sheet is 90 centimeters long.

Madison cut it and used only 70 centimeters of it for her art project. How long is the piece of paper left?


2 days ago, Mason’s pencil was 13 cm long. Today, its length is 3 cm less. How long is Mason’s pencil today?


Natalie wants to attach a ribbon of length 60 cm to another ribbon of length 30 cm to close a gift box.

How long is the ribbon now?


At a parking lot, there is a red car that is 12 feet long, a yellow car that is 4 feet shorter than the red one, and a blue car that is 2 feet longer than the red one. Which is the shortest car?

  • Athe blue car
  • Bthe red car
  • Cthe yellow car


A mother asked her daughter if she can calculate the difference between the heights of the two cakes shown in the picture. The daughter said, “The difference is 39 centimeters.” Is she right?

  • AYes
  • BNo


David adjusts his microphone stand to have a height of 91 cm. If he changes the height to 69 cm, what will the difference in height be?


A wooden rod is split into two small rods. If the length of one part is 25 cm and the length of the other is 51 cm, what is the total length of the rod?


James’s height is 98 cm. Benjamin is 17 cm shorter. How tall is Benjamin?


True or False: If the lengths of the two ladders are 2 m and 5 m, the total length of the two ladders is 7 m.

  • AFalse
  • BTrue

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