Grades 1-2 Video Solutions 2020-2020Levels12prob19

Video Transcription

Problem number 19. Mark that B can only walk on gray cells. In how many ways can you color exactly two white cells so that Mark can walk from A to B? A3, B4, C5, D6, or E7.  So in order to solve this problem we are going to trace a line and try to trace it over only two white cells. So let's see. So there's one. Here's another. Here's three.  Here's four. And here is five. So our answer is C, five.

Video Summary

Problem number 19. Mark that B can only walk on gray cells. In how many ways can you color exactly two white cells so that Mark can walk from A to B? A3, B4, C5, D6, or E7. So in order to solve this problem we are going to trace a line and try to trace it over only two white cells. So let's see. So there's one. Here's another. Here's three. Here's four. And here is five. So our answer is C, five.