Media Summary: Use doubles facts as a strategy for finding sums for near doubles facts. This video demonstrates how to work through a I can solve two-digit addition and subtraction problems using an inch ruler or a yardstick as a number line.
Into Math 2nd Grade Lesson - Detailed Analysis & Overview
Use doubles facts as a strategy for finding sums for near doubles facts. This video demonstrates how to work through a I can solve two-digit addition and subtraction problems using an inch ruler or a yardstick as a number line. Recall sums for basic facts using strategies and properties. Learn how to subtract larger numbers using base ten blocks and regrouping. We compare simple fractions by using visual models (pies or rectangles).