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…

This booklet designed for students in grades 4-8 provides 52 activities, including puzzles and problems. Activities range from simple to complex, giving learners practice in finding patterns, numeration, permutation, and problem solving. Calculators should be available, and students should be encouraged to discuss solutions with classmates,…

Each of these two textbooks on Hispanic-American history contains 4 units divided into 20 chapters. Each chapter includes an overarching question; text; reading comprehension questions; study tips; an activity involving geography skills, links between past and present, or daily life; an activity involving arts and technology or using primary…