The United States should begin now to teach metric weights and measures. The new generation should learn at an early age the measurement language they will have to use throughout their later lives. (Author/WM)

Article is a demonstration lesson in elementary school mathematics that concentrates on mathematical patterns. (GB)

Arithmetic reading can be made lighter if teacher explains vocabulary, selects simple text, and aids in improving reading skills. (DS)

An application of behavioral analysis to the design of an inservice course on the teaching of place value is described. (MM)

Presented are ten problems for the mathematics laboratory in the intermediate grades, the children's reactions to the laboratory, and the authors' evaluation of it. (RP)

Presented is a technique for constructing four by four (4x4) magic squares that will total any desired number. (RP)

Notes on jeep trips and card stacks; some work with Multibase Arithmetic Blocks, the complex roots of unity, and a divisibility test. (MM)

Data are presented for 13 mixed-sex junior schools which show different effects of school regime on boys' and girls' attainment in relation to intelligence. (Author)

Commenting on an article by D. Scott, in Mathematics Teaching 52 (Autumn 1970), He present author shows that it is important to know the distribution of error and not just the maximum error. (MM)