math activities for elementary children

Elementary transformations are of the following three types: Interchange of any two rows (or columns) The multiplication of the elements of a row (or column) by a non-zero number. The addition to the elements of any row (or column) the corresponding elements of any other row (or ..

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Matrices and Determinants..

Matrices and Determinants..

What is the difference between the number of children in Elementary and High schools in the year 2000? => about 9,000 or about 50 or about 1 or about 6,000..

In Saint Mary's Elementary School, the percent of students participating in extracurricular activities went up by 28% this year compared to last year. Which fraction is equivalent to 28%? => 100 28 or 7 25 or 18 25 or 7 100..

Draw a scalene triangle, an acute angled triangle, an obtuse angled triangle, an equilateral triangle and a right angled triangle. Measure the angles in all the figure. Enter the measure in the table given. What do you observe? What do you conclude with respect to the sum of the magnitudes of all ..

Complete the following table by measuring the interior and exterior angles of the figure given above using a protractor. Study the table carefully and identify the relation between exterior and interior opposite angle..