Math problem, Introduction: The school organizes the draw of a surprise box. To participate, you have to find the mystery number obtained with the result of a mathematical equation.Concepts: Kinds of triangles, angles, numbers, digits, fractions and multiplication.This product includes:The math problem with pages for calculations and results compilation;Comments for the teacher and answers;Correction grid, with numerical scale;Correction grid, with alphabetic grades;Easel Activity.The math probl