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Nunes, Terezinha; Bryant, Peter; Hallett, Darcy; Bell, Daniel; Evans, Deborah – Mathematical Thinking and Learning: An International Journal, 2009
Two intervention studies are described. Both were designed to study the effects of teaching children about the inverse relation between addition and subtraction. The interventions were successful with 8-year-old children in Study 1 and to a limited extent with 5-year-old children in Study 2. In Study 1 teaching children about inversion increased…
Descriptors: Subtraction, Arithmetic, Number Concepts, Mathematics Instruction
Maschietto, Michela – International Journal of Computers for Mathematical Learning, 2008
This paper concerns the analysis of a didactic engineering, the aim of which is to introduce Calculus, at secondary-school level, through the relationship between global and local points of view. It was designed for a graphic-symbolic calculator environment and structured in accordance with a learning trajectory from identifying the graphical…
Descriptors: Problem Solving, Engineering, Calculus, Mathematics Instruction
Rittle-Johnson, Bethany; Kmicikewycz, Alexander Oleksij – Journal of Experimental Child Psychology, 2008
People remember information better if they generate the information while studying rather than read the information. However, prior research has not investigated whether this generation effect extends to related but unstudied items and has not been conducted in classroom settings. We compared third graders' success on studied and unstudied…
Descriptors: Prior Learning, Grade 3, Multiplication, Arithmetic
Cawthon, Stephanie W.; Beretvas, S. Natasha; Kaye, Alyssa D.; Lockhart, L. Leland – Education Policy Analysis Archives, 2012
Opportunity to Learn (OTL) stems from the basic premise that there is an important relationship between the quality and intensity of classroom instruction and students' levels of academic success. For many students with disabilities, an emphasis on OTL has become national priority, yet measuring its impact is a complex challenge. The first purpose…
Descriptors: Disabilities, Academic Achievement, National Competency Tests, Class Activities
Bouck, Emily C. – Remedial and Special Education, 2009
This study explored the performance of seventh-grade students with and without disabilities, educated in inclusive mathematics classes, on a mathematics assessment aligned to state standards with graphing calculators as an accommodation. The study used random assignment of classes to condition with students nested in classes. Students did not use…
Descriptors: State Standards, Disabilities, Graphing Calculators, Testing Accommodations
Ozgun-Koca, S. Asli – Journal of Technology and Teacher Education, 2009
Handheld graphing technologies have fundamentally been utilized in the teaching and learning of many secondary school and college mathematics concepts. In order to observe the effects of these new kinds of technologies on students' learning of mathematics, their teachers need to decide whether it is reasonable to do, learn, and teach mathematics…
Descriptors: Preservice Teachers, Graphing Calculators, Pedagogical Content Knowledge, Mathematics Instruction
Mulekar, Madhuri S.; Siegel, Murray H. – Mathematics Teacher, 2009
If students are to understand inferential statistics successfully, they must have a profound understanding of the nature of the sampling distribution. Specifically, they must comprehend the determination of the expected value and standard error of a sampling distribution as well as the meaning of the central limit theorem. Many students in a high…
Descriptors: Statistical Inference, Statistics, Sample Size, Error of Measurement
Bridgeman, Brent; Cline, Frederick; Levin, Jutta – ETS Research Report Series, 2008
In order to estimate the likely effects on item difficulty when a calculator becomes available on the quantitative section of the Graduate Record Examinations® (GRE®-Q), 168 items (in six 28-item forms) were administered either with or without access to an on-screen four-function calculator. The forms were administered as a special research…
Descriptors: College Entrance Examinations, Graduate Study, Calculators, Test Items
Har, Yeap Ban – Journal of Science and Mathematics Education in Southeast Asia, 2010
National tests, an influential assessment practice in many countries in East Asia, are often blamed as obstacles to good instructional practices. In this paper, the positive impact of assessment, national tests in particular, is discussed using the case of Singapore. The first part of the paper includes an analysis of items from the primary grade…
Descriptors: National Competency Tests, Metacognition, Foreign Countries, Teaching Methods
Blanchard, Margaret; Sharp, Jennifer; Grable, Lisa – Science Teacher, 2009
As part of the "Car Lab Project," students constructed rubber band cars, raced them, and worked through a number of automotive activities. The students engaged in this project certainly had fun, but they also used high-tech gear such as motion sensors and graphing calculators to gather data on the distance and time cars traveled and to generate…
Descriptors: National Standards, Engines, Graphing Calculators, Mathematics Instruction
Schmidt, Karsten; Kohler, Anke; Moldenhauer, Wolfgang – International Journal for Technology in Mathematics Education, 2009
This paper reports on the effects the use of a pocket calculator-based computer algebra system (CAS) has on the performance in mathematics of grade 11 students in Germany. A project started at 8 of about one hundred upper secondary schools in the federal state of Thuringia in 1999; 3 years later the former restrictions on the use of technology in…
Descriptors: Secondary Schools, Advanced Courses, Mathematics Instruction, Calculators
Fink, Alex; Guy, Richard – College Mathematics Journal, 2007
In this article, we explore the game based on the following problem from the 1st Mathematical Olympiad of Central America and the Caribbean, held in Costa Rica in 1999: Player A turns on the calculator, presses a digit key and then presses the + key. A second later, player B presses a digit key in the same row or column of the last digit key…
Descriptors: Foreign Countries, Educational Games, Problem Solving, Mathematics
Heavers, Richard M. – Physics Teacher, 2007
Our students like using the covers of their TI graphing calculators in an inquiry-based extension of a traditional exercise that challenges their preconceived ideas about friction. Biology major Fiona McGraw (Fig. 1) is obviously excited about the large coefficient of static friction ([mu][subscript s] = 1.3) for the four little rubber feet on her…
Descriptors: Mechanics (Physics), Graphing Calculators, Scientific Principles, Inquiry
Zeng, J.; Osler, T. J. – International Journal of Mathematical Education in Science and Technology, 2005
In rare cases, the use of advanced mathematical calculators can give incorrect results. One such error occurs with graphing calculators because the screen is not continuous, but a rectangular array of pixels. On some frequently used calculators, the graph of sin80x looks like sin x. We also study other related examples.
Descriptors: Graphing Calculators
Martin, Aimee – Journal of Developmental Education, 2008
This paper reports on a project to improve Beginning Algebra students' understanding of basic algebraic concepts through fully integrated use of the TI-83 graphing calculator. The methodology incorporated an intervention case study including approximately 700 Beginning Algebra students at an open-door community college of 8,500 students in the…
Descriptors: Graphing Calculators, Technology Uses in Education, Introductory Courses, Algebra