Teacher Notes Grade 3: Unit oa. 8-9, Operations & Algebraic Thinking – Solve problems involving the four operations, and identify and explain patterns in arithmetic 120.06 Kb. 1
Oregon Common Core State Standards for Mathematics The Hong Kong standards for grades 1–3 devote approximately half the targeted time to numbers and almost all the time remaining to geometry and measurement 1.15 Mb. 6
Student learning Standards Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, “Does this make sense? 0.83 Mb. 10
Mathematical Practices (MP) Use strategies to add and subtract within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions 77.34 Kb. 1