Memorization
Unit 1: Classifying by one feature
Unit 2: Classifying by several features
Unit 3: Introduction of addition and the law of alternation of addition
Unit 4: Static additions with one figure summands
Unit 5: Dynamic additions with one-figure summands
Unit 6: Static additions with two-figure summands
Unit 7: Dynamic additions with two-figure summands
Unit 8: Commutative property
Unit 9: Associative property
Unit 10: Dissociative property
Unit 11: Additions with summands greater than 10
Unit 12: Positive snake
Unit 13: Introduction of subtraction – subtraction as the opposite of addition
Unit 14: Negative snake
Unit 15: Text problems using addition and subtraction
Unit 16: Real-life text problems
Unit 17: Skip count
1 Quiz
Skip count
Unit 18: Short and long chains
1 Quiz
Short and long chains
Unit 19: Tables formation
1 Quiz
Tables’ formation￼
Unit 20: Multiplication by 10
1 Quiz
Multiplication by 10
Unit 21: Combinations of the same product
1 Quiz
Combinations of the same product
Unit 22: Small multiplications
1 Quiz
Small multiplications
Unit 23: Inverted products (Commutative property)
1 Quiz
Inversed products (Commutative property)
Unit 24: Square of the numbers
2 Quizzes
Square of the numbers I
Square of the numbers II
Unit 25: Binomial and trinomial
1 Quiz
Binomial and trinomial
Unit 26: Positive multiplication snake
1 Quiz
Positive multiplication snake
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Unit 9: Associative property
Memorization
Unit 9: Associative property
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