Mathematics skills give you the ability to solve problems. Do calculations and analyze data in daily life. The strategy is adding up, finding the sum of the numbers plus themselves, such as 1+1=2 2+2=4Exercise on adding 1-digit numbers to 1-digit numbers (EP1) Users must do the activity according to the instructions under the given conditions. Users should do the exercises every day, 1 sheet per day, for a continuous period of time until the amount is complete.