تحقیق جمع و تفریق اعداد دو رقمی

اختصاصی از فایلکو تحقیق جمع و تفریق اعداد دو رقمی دانلود با لینک مستقیم و پر سرعت .

دانلود تحقیق جمع و تفریق اعداد دو رقمی زبان اصلی+ ترجمه  11 ص فرمت word 

Begin by reviewing basic one-digit subtraction facts. When children demonstrate proficiency with these facts, explain that they will next learn how to subtract two-digit numbers.

Materials: blank transparency, overhed base-ten blocks, coins

Preparation: Draw a tens-and-ones frame on the transparency. Have children practice using a tens-and-ones frame and base-ten blocks to represent two-digit numbers.

Prerequisite Skills and Concepts: Children should have a solid grasp of subtraction of basic facts.