SALTA 3rd grade

Major work: Solve problems involving measurement Grade 3: ​ Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects. (3.MD.1–2). Recognize area as an attribute of two-dimensional regions and relate the concept of area to multiplication and addition (3.MD.5-7). Solve real world and mathematical problems involving perimeter and area (3.MD.8). ● Prior Grades: ​ Recognize the need for standard units of measure. Estimate lengths and use appropriate tools to measure the length of objects using standard units (2.MD.1-4). Partition a rectangle into rows and columns of same-size squares and count to find the total number of squares (2.G.1) ● Future Grades: ​ ​ Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit (4.MD.1–2). Apply the area and perimeter formula for rectangles in real-world and mathematical problems (4.MD.3).