Theme 9.  Problems on finding the sum of two numbers and the remainder

In the theme you learn:
• You will improve your skills in finding the sum and difference of two numbers;
• You will practice choosing the question and solution for the problem;
• You will learn to solve problems on finding the sum of two numbers and the remainder using a short record and a diagram;
• You will strengthen your calculation skills in addition and subtraction of numbers up to 10.