Featured Resource
Author
Rachel
Subject
Math
Create a comprehensive math worksheet that develops students' number sense and computational fluency with two-digit subtraction without regrouping. The worksheet should guide students through the critical thinking process of first making reasonable estimates using rounding or compatible numbers, then solving the exact problems using the standard algorithm. Include clear base-10 block visual representations alongside each problem to help students conceptualize the place value relationships and co...
This resource focuses on subtraction, specifically on estimation and exact solutions using two-digit numbers. Students will learn how to round numbers to the nearest ten and employ compatible numbers to aid in mental subtraction. The document outlines a structured approach, starting with estimating the difference of subtraction problems, then solving the problem using the standard algorithm, and finally comparing the estimated and exact solutions to check for reasonableness. The resource includes guided practice problems for students to apply these strategies, as well as independent practice involving multi-digit multiplication. Furthermore, it contains sections for error analysis and reflective questions to deepen understanding of estimation strategies and their importance in verifying answers.