TEAC259-Nohrenberg

Fun math practice! Improve your skills with free problems in 'Addition and subtraction facts - numbers up to 10' and thousands of other practice lessons.

The number line is a geometric "model" of all real numbers -- including 0 1, 2, 25, 374 trillion, and -5, but also 1/2, -17.359, 0.0000000000000001, and pi/6. Unlike counters, which model only counting, the number line models measurement, which is why it must start with zero.

In this unit, we learned about line, bar and circle graphs. We learned how to read and interpret information from each type of graph, and how to construct these graphs. If you were asked to create a graph from a given set of data, how would you know which type of graph to use?

The Yale National Initiative to Strengthen Teaching in Public Schools, which builds upon the success of a four-year National Demonstration Project, promotes the establishment of new Teachers Institutes that adopt the approach to professional development that has been followed for more than twenty-five years by the Yale-New Haven Teachers Institute.

interactive Math skills resources - first grade math concepts, word problems, number sentences

In these lessons, we will learn how to solve comparison word problems using either bar models or comparison bars. Related Topics: More Word Problems, Algebra Word Problems There are three main types of comparison word problems. Difference Unknown Connie has 15 red marbles and 28 blue marbles.

Equations show Change situations well and Math Mountains show Collection situations well. However, by now, many children are flexible in their thinking and may use either equations or Math Mountains, or both, for either kind of problem.