Theme Tasks catalog
Theme 12. Problems to find the unknown minuend
In the theme you learn:
• You will practice how to add and subtract without regrouping and with regrouping up to 20;
• You will remember the rule for finding the unknown minuend;
• You will learn to solve problems to find the unknown minuend and practice choosing the right solutions for problems;
• You will compare two-digit numbers up to 20.
• You will practice how to add and subtract without regrouping and with regrouping up to 20;
• You will remember the rule for finding the unknown minuend;
• You will learn to solve problems to find the unknown minuend and practice choosing the right solutions for problems;
• You will compare two-digit numbers up to 20.