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Addition and subtraction of two-place numbers

Exercises on the blackboard


Numerical crossword


Weighting



Comparison of numbers

Exercises on the blackboard



Multiplication and division of numbers

Multiplication table


Exercises on the blackboard


Numerical crossword



Expressions with brackets

Exercises on the blackboard



Addition and subtraction of three-value numbers

Exercises on the blackboard



Logical coloring

Geometrical figures


Coloring as an example



Combinatorics

Overlapping figures


Put the patch


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