The length of the rectangle is \(2x + 5\). The width of the rectangle is \(3x - 2\). The highlighted words are the most important ones. The key word in the question is perimeter. The question asks to ...
The diagram shows a rectangle. The length of the rectangle is \(2x + 5\). The width of the rectangle is \(3x - 2\). The highlighted words are the most important ones. The key word in the question is ...
Use tiles to represent variables and constants, learn how to represent and solve algebra problem. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero ...
#define clr(v, d) memset(v, d, sizeof(v)) #define repi(i, j, n) for(int i=(j);i<(int)(n);++i) #define repd(i, j, n) for(int i=(j);i>=(int)(n);--i) #define repa(v ...
This page includes a brief guide to give upper KS2 students an overview of area and perimeter, and you can download a 14-page PDF worksheet and separate answer sheet too. The questions have been ...