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4.OA.3 – Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Samples: Two step problem solving. Make 100. Challenge puzzle. Addition of large numbers (puzzle). Addition and Subtraction.
You can go to an overview of all the curricula here.
5.NA.2 – Create, continue, and predict further members of sequential patterns with two variables
Samples: Groups of 3. Learn the 3 times multiplication table. 3x Multiplication facts (times tables) - 1.
6.NA.2 – Determine members of sequential patterns, given their ordinal positions
Samples: Identify the rules for number patterns. Continue number patterns. Challenge puzzle - Algebra.
6.NA.3 – Describe spatial and number patterns, using:
6.NA.3.a – Tables and graphs
Samples: Patterns created by objects. Challenge Puzzle - Balancing equations. Represent problems using algebraic equation.