Lesson Plans SET A for Grades 3-4-PDF Lesson 10 Level 3-4 SAS teacher

PDF Lesson 10 Level 3-4 SAS teacher

Pdf Summary

The provided document outlines Lesson 10 titled "Finding Missing Values" for Math Kangaroo Levels 3-4, aimed at developing early algebraic thinking in students. The lesson is structured to enhance problem-solving skills, focusing on deducing missing values based on given information. Students are introduced to the concept that problems may require calculations or logical deductions to find these missing pieces of information.<br /><br />The lesson begins with a warm-up problem involving calculating the sum of ages of Susan and her siblings. It's designed to conceptualize missing value problems in a familiar context. The core instruction highlights a strategy for solving problems by identifying given facts and the values needed, encouraging a step-by-step approach equipped with tools and strategies practiced earlier in the course.<br /><br />Several Math Kangaroo problems are explored, each requiring determination of unknown values:<br />1. Calculating a secret number subtracted from three totals to solve an original number problem, illustrating algebraic thinking.<br />2. Assessing the weight of colored balls using logical deduction from given weights.<br />3. Determining overlaps in group participation using a problem of children attending events.<br />4. Solving lengths in a train problem using reverse calculations indicative of algebraic principles.<br />5. Deciphering numerical values assigned to shapes using given sums for logical reasoning.<br />6. Using logical thinking to understand a purchase and exchange scenario to identify items bought.<br /><br />The lesson concludes with a review of the 4-step problem-solving strategy and a roadmap for continued practice utilizing online Math Kangaroo resources. The wrap-up emphasizes regular practice and encourages feedback for improvement of future sessions, supporting the development of problem-solving skills and algebraic thinking in young learners.

Keywords

Math Kangaroo

algebraic thinking

problem-solving

missing values

logical deduction

early algebra

numerical reasoning

group participation

calculation strategy

Math Kangaroo resources