1.4.F.24 - Add a Pair of Two-Digit Numbers when the Ones Digits have a Sum Less than or Equal to 10 – Exit Ticket

From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 4, Topic F, Lesson 24. Internet. Available from http://www.engageny.org/resource/grade-1-mathemati...; accessed 26/Oct/2015.