Theme 2.  Oral and written numbering of numbers from 1 to 100. Tens place. Ones place

In the theme you learn:
• You will improve your counting skills up to 100;
• You will practice choosing the previous and neighbor numbers up to 100;
• You will find the number of tens and ones in a two-digit number;
• You will solve problems to find the unknown minuend, remainder, and compare numbers by difference;
• You will practice choosing a two-digit number by the given number of tens and ones;
• You will practice calculating expressions by splitting numbers into easy addends.