Lesson Worksheet: Adding Three 2-Digit Numbers Mathematics

In this worksheet, we will practice adding three two-digit numbers using the column method.


Add the numbers.


Alanoud is adding 15, 8, and 28.

She added the ones first.

Add the tens to finish her work and find the total.




Fahd records the number of problems he solves in three consecutive days. What is the total number of problems he has solved?

DaysNumber of Problems
Day 1 14
Day 2 8
Day 3 23


Mrs. Maryam has 24 red notebooks, 16 blue notebooks, and 17 green notebooks. How many notebooks does she have in total?

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