Get ready to dive into the exciting journey of number sense and operations. We will take a look at the progression from kindergarten to sixth grade that helps us understand the strength of the number line. This session will spotlight the power of the number line and its transformative role in building mathematical understanding across grade levels. Through dynamic discussions, engaging activities, and a research-packed presentation, you'll discover best practices that bring the number line to life in your classroom. Join a passionate community of educators committed to unlocking the potential of every student and revolutionizing math achievement for ALL learners! This session aims to foster a community of leaders dedicated to advancing the understanding and teaching of the number line, ultimately improving mathematical achievement for ALL students.
CCSS.MATH.CONTENT.2.MD.B.6
Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.
4th Grade:
CCSS.MATH.CONTENT.4.NF.C.6
Use decimal notation for fractions with denominators 10 or 100. For example, rewrite 0.62 as 62/100; describe a length as 0.62 meters; locate 0.62 on a number line diagram.
6th Grade:
CCSS.MATH.CONTENT.6.NS.C.6
Understand a rational number as a point on the number line. Extend number line diagrams and coordinate axes familiar from previous grades to represent points on the line and in the plane with negative number coordinates.
Moeller, K., Mix, K. S., & Gardner, M. (2009). The development of number line estimation skills in kindergarten and first grade. Journal of Educational Psychology, 101(2), 331-343.
Siegler, R. S., & Opfer, J. E. (2003). The development of numerical estimation: Evidence for multiple strategies. Cognitive Psychology, 47(2), 237-276.