Go Pro!

Binary Numbers

Pro Problems > Math > Number and Quantity > Number Theory > Bases

Binary Numbers

The following numbers are written in base two (binary). Find their sum in base ten.

1001101, 11001

Presentation mode
Problem by Mr. Twitchell


In order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.
Assign this problem
Click here to assign this problem to your students.

Similar Problems

Base Quadratic

In what base is the following addition problem written?

64 + 31 = 115

Base Multiplication

If the following expression is written in base k, where k is an integer between 10 and 16 inclusive, and Z represents the largest digit in base k, what are the possible values for the expression?

Z x 11

Base Age

Laura, who doesn't want people to know how old she really is, tells everyone that she is 21 years old, but she's not using base ten - she's using base n instead. Two years later she uses base n - 10 to tell people that her age is 133. How old was she really, when she said she was 21?

Blogs on This Site

Reviews and book lists - books we love!
The site administrator fields questions from visitors.
Like us on Facebook to get updates about new resources
Pro Membership