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This exercise is divided into two parts the first part deals with the procedure for decomposing a number into prime factors, and the second part asks for the prime factors of several numbers to be found.{j}
Interactive animation of problems in direct proportionality, divided into two parts the first part explains the unitary method, with exercises, and the second part deals with the rule of three, also with exercises.{j}
Interactive animation of problems in inverse proportionality, divided into two parts the first part explains the unitary method, with exercises, and the second part deals with the rule of three, also with exercises.{j}
This activity is divided into three sections. The first section is an exercise to calculate percentages mentally, the second is to practice detailed calculations of percentages, and the third has problems in percentages.{j}