Kentucky Academic Standards
Operations and Algebraic Thinking
Cluster: Solve problems involving the four operations and identify and explain patterns in arithmetic.
KY.3.OA.8. Use various strategies to solve two-step word problems using the four operations (involving only whole numbers with whole number answers). 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. (MP.1, MP.4)
Numbers and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to perform multi-digit arithmetic. Note: A range of algorithms may be used.
KY.3.NBT.2. Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations and/or the relationship between addition and subtraction. (MP.2, MP.3)