Grade 2 Lesson plan
Two Pans at Otterbank: A Grade 2 Evaporation Measuring Lesson
Students measure water depth in an open pan and a covered pan with a centimeter ruler, then subtract to find how much water left each pan in a week.
Common Core Math · Grade 2
Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.
Why water teaches this standard well
Word problems ask how many total feet of pipe are needed once two sections of garden irrigation hose are joined, or how much longer one hose is than another. Drawing a labeled ruler alongside the pipe sections keeps the addition grounded in a real plumbing task.
Materials tagged with this code are written to the full standard , and each carries a written note explaining the alignment. See how we review materials.
Grade 2 Lesson plan
Students measure water depth in an open pan and a covered pan with a centimeter ruler, then subtract to find how much water left each pan in a week.
Grade 2 Lesson plan
Grade 2 students plan a one-variable test of whether bean seedlings need water, measure heights with a centimeter ruler, and compare a watered row with a dry row.
Grade 2 Lesson plan
A 45-minute grade 2 lesson in which students define the puddle problem under a school downspout, sketch a splash pad, and solve inch-length problems.
Grade 2 Lesson plan
Second graders measure the water left in ten bottles after PE at Alder Park School, build a centimeter line plot, and read what the class drank.
Grade 2 Lesson plan
A 40-minute grade 2 lesson where students estimate, then measure with a yardstick, three taped pipe sections from Stonewell's water main, and add the lengths.
Grade 2 Worksheet
Grade 2 students read a table of the ground layers under a farm to find where water sits underground, then add and subtract depths in feet within 100.
Grade 2 Worksheet
A grade 2 worksheet where students explain why Hazel Bend's water tower is built tall and use addition and subtraction within 100 to compare tank heights.
Grade 2 Worksheet
Grade 2 students graph four days of water tower pumping data, compare bar heights, and add and subtract pipe lengths in inches for the town of Elm Grove.
Grade 2 Math problem set
A grade 2 problem set in which students plot twelve leftover pipe lengths on a line plot and add and subtract inch measurements within 100.
Grade 2 Math problem set
Grade 2 students compare snow depth to melted water depth across three storms at Frostpine Hollow, adding and subtracting within 100 to measure this reversible change.
Grade 2 Classroom activity
A 40-minute grade 2 team challenge in which groups estimate, join, and measure straw pipelines to carry water 30 inches from a model tank to a house cup.