Created by Lanuriki Math Elementary 1st grade Addition and Subtraction Spanish Author's Instructions Ficha para practicar el cálculo mental de decenas completas y unidades My Google Classroom Courses × 0 classes selected (0 students total) Quick Access Select all classes (0 classes) All Classes Loading courses... Cancel Share Share to selected Course __COURSE_NAME__ __STUDENT_NAME__ (__STUDENT_EMAIL__) Cálculo Mental (Decenas completas y unidades) Download Worksheet Validation Check my answers Emails my answers to my teacher Full name Group/level School subject Teacher's email or key code Close Submit Your answers have been sent to your teacher. Good luck! OK We encountered an error submitting your answers. Please try again. OK Advertisement | Go Ad Free Created by Lanuriki Math Elementary 1st grade Addition and Subtraction Spanish Author's Instructions Ficha para practicar el cálculo mental de decenas completas y unidades Explore Worksheets Completa las series Math 1st grade Completa las series Addition and Subtraction - Math Completar las series de 2 en 2 y de 5 en 5 4. Lanak 2.4 Math 1st grade 4. Lanak 2.4 Addition and Subtraction - Math Ariketa ezberdinak Sumas de 3 sumandos Math 1st grade Sumas de 3 sumandos Addition and Subtraction - Math Realización de sumas de tres sumandos OAOA Sumas dobles Math 1st grade OAOA Sumas dobles Addition and Subtraction - Math Descomposición de números