Theme 7.  The concept of a person's age. Addition and subtraction of numbers up to 10

In the theme you learn:
• You will learn about the concept of "person's age";
• You will learn to solve problems about finding a person's age;
• You will practice finding people by age: from youngest to oldest;
• You will improve your skills in adding and subtracting numbers up to 10;
• You will practice comparing an expression and a number.