Resources and Tools for Elementary Math Specialists and Teachers

Common Core State Standards for Mathematics

Grade(s) 2 resources related to the following standard:
Number and Operations in Base Ten
Use place value understanding and properties of operations to add and subtract.
6. Add up to four two-digit numbers using strategies based on place value and properties of operations.

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This 5-minute video presents a number trick that offers an opportunity for students to practice basic addition. The presenter explains how the trick works and suggests how students can customize it to use with friends and family.
Activity, Video
Grade Level: 2, 3, 4, 5
Resource is part of a PD collection
4
(1 Comments)
This document provides descriptions and examples of what each Mathematics Common Core standard means a Grade Two student will know, understand and be able to do. This "unpacking" of the standards provides instructional guidelines and was developed to assist North Carolina educators teach the Mathematics Common Core (Standard Course of Study).
Reference Materials
Grade Level: 2
4
(2 Comments)
With this interactive applet students can develop their understanding of place value and the relative position and magnitude of numbers in the base-10 number system. Users drag given numbers to their position on a number line, zooming in and out to increase precision. They can select from six levels of difficulty (Tens, Hundreds, Thousands, Millions, Billions, Decimals) and from 1 to 3 dots. There are three modes: Explore, Practice, Test.
Activity, Interactive Media
Grade Level: 1, 2, 3, 4, 5
4
(1 Comments)
This page provides examples of Second Grade Number (Operations and Algebraic Thinking, and Number and Operations in Base Ten) activities aligned with the Common Core State Standards. A CCSS standard is stated and the possible activities are listed below and linked. All activities are suitable for use in Math Centers, small group or whole class settings and are designed to elicit a range of responses and provide opportunities for students to communicate their reasoning and mathematical thinking. Instructions for each task are typed in large print and written in child-friendly language to enable students to work on activities independently after a brief introduction to the task. All files listed are in PDF format.
Activity, Game
Grade Level: 2
0
(0 Comments)