Theme 4.  Adding and subtracting 1 (45 + 1, 45 – 1). Units of value – kopeck, hryvnia. Relationship between units of value

In the theme you learn:
• You will improve your skills in finding previous, next and neighboring numbers up to 100;
• You will learn how to add and subtract one within 100;
• You will find out how many tens and ones are in a two-digit number;
• You will solve problems to find the unknown minuend and to decrease a number by several ones;
• You will learn about units of value – kopeck, hryvnia and their short signs, and you will learn to set the relationship between units of value;
• You will practice counting money.