This series of books aims to give the child the ability to compute easily and accurately, and to enable him to interpret and solve the quantitative situations which he will meet in everyday life. In the achievement of this aim, these books incorporate the most valuable findings of modern experimentations in the teaching of arithmetic, including the results of important researches conducted by the authors themselves. These books present only those methods and materials which have been thoroughly tested in the classroom by many experienced teachers. Full provision has been made for pupils varying levels of ability. For those of superior ability more difficult exercises, marked with a star, are provided. For pupils of average and below-average ability additional exercises may be prescribed if needed; the diagnostic tests indicate whether extra work is necessary and also give references to suitable materials. This book covers two years of instruction. Includes addition, subtraction, multiplication, division, and introduces geometry, fractions, and measurement. Answer key included at the back of the book.
