This task addresses CCSS K.OA.A.3 or MLS K.RA.A.3. Click here for a modified task that focuses on CCSS K.OA.A.1 and MLS K.RA.A.1.
What do you notice? What do you wonder?
How many yellow and green markers are there?
There are 10 markers altogether. How many of each marker are there?
Jamal says there are 5 green marker and 5 yellow markers. Is there another possibility?
Compare your work. Did you solve it a different way?