With just a few materials, building a paper model of the International Space Station (ISS) can become an excellent group, troop, or class project. This publication contains a brief overview of the ISS, its parts, the science that occurs on board, instructions, and extensions for an interdisciplinary technology experience. Discover more about the…

Many students struggle with fractions and must understand them before learning higher-level math. Veteran educator David B. Spangler provides research-based tools that are aligned with NCTM and Common Core State Standards. He outlines powerful diagnostic methods for analyzing student work and providing timely, specific, and meaningful…

This document is the answer key for level 1 of the teacher-developed mathematics curriculum for New York City Schools. Approximately 220 performance objectives are listed, with reference to the appropriate worksheet for each. The answers are indicated on replicas of the pages in the children's workbooks. (MNS)

This teacher's guide is designed for use with the SMSG textbook "Calculus of Elementary Functions." It contains solutions to exercises found in Chapter 9, Integration Theory and Technique; Chapter 10, Simple Differential Equations; Appendix 5, Area and Integral; Appendix 6; Appendix 7, Continuity Theory; and Appendix 8, More About…

The author uses Stella the Spider as the main character in a number of three-dimensional geometry problems. Eight of these problems are discussed, with solutions. (MNS)

The estimation strategies of "using compatible numbers,""averaging," and "rounding" are used. The first two worksheets review easy arithmetic facts and ask students to identify compatible numbers. Worksheet Three introduces averaging and provides practice with rounding, while the fourth worksheet contains problems for group practice. (MNS)

Four worksheets are presented, each using cubes to develop students' spatial visualization abilities. Directions and answer keys are both included. (MNS)

A guidebook, accompanied by a companion book, directed toward English-speaking students learning Spanish and Spanish teachers, presents a step-by-step approach to learning/teaching the formation and uses of all subjunctive tenses in Spanish. The author assumes that students are already familiar with some grammatical concepts and terminology such…

Three units of study on the American cuisine and regional American foods are provided in this teaching guide designed for use in home economics and world food classes. The first unit focuses on the historical development of the American cuisine and some of its distinguishing features. The second and third units focus on the eastern and western…

Four activities with fractions are given, concerning recognizing halves, making equal sized pieces, completing the whole, and making congruent parts. Worksheets as well as teaching suggestions are included. (MNS)

Geometrical probability deals with probability on infinite sample spaces where each outcome of an experiment is equally likely to occur. Geometry which identifies sample space regions and event subregions leads to a method of finding a desired probability. A collection of problems with solutions is presented. (MP)

This document is the answer key for level 2 of the teacher-developed mathematics curriculum for New York City schools. Approximately 215 performance objectives are listed, with reference to the appropriate worksheet(s) for each. The answers are typed in the appropriate space on each sheet; when varied answers are possible, this is noted. (MNS)

This document is the answer key for level 3 of the teacher-developed mathematics curriculum for New York City schools. Over 250 performance objectives are listed, with reference to the appropriate worksheet(s) for each. The answers are typed in the appropriate space on each sheet; when varied answers are possible, this is noted. (MNS)

This document is the answer key for level 4 of the teacher-developed mathematics curriculum for New York City schools. Approximately 235 performance objectives are listed, with reference to the appropriate worksheet(s) for each. The answers are typed in the appropriate space on each sheet; when varied answers are possible, this is noted. (MNS)

This document is the answer key for level 5 of the teacher-developed mathematics curriculum for New York City schools. Over 250 performance objectives are listed, with reference to the appropriate worksheet(s) for each. The answers are typed in the appropriate space on each sheet; when varied answers are possible, this is noted. (MNS)