Theme 1.  Ten. Counting by tens up to 100

In the theme you learn:
• You will learn a new counting unit – ten;
• You will learn to match tens with the number of objects in certain sets;
• You will practice counting by tens forward and backward;
• You will repeat the sequence of numbers up to 100;
• You will compare place value numbers up to 100;
• You will improve your skills in solving problems about finding the remainder and the rest, and increasing a number by a few units.