Grade 2 Lesson plan
Copperlake School's Faucet Fix-Up Cart: A Grade 2 Coin Lesson
A 45-minute grade 2 money lesson in which students count coins and make change to buy the small parts that stop a dripping school faucet.
Common Core Math · Grade 2
2.NBT.B.5 Fluently add and subtract within 100
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Why water teaches this standard well
Students fluently add and subtract the gallons collected in a rain barrel from one day to the next, tracking a running two-digit total across a week of storms. Quick, accurate addition and subtraction here supports every later water-log table that asks for a daily change.
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.
13 materials aligned to 2.NBT.B.5
Lesson plans
Grade 2 Lesson plan
Muddy Kettle Creek's Trash Screen: A Grade 2 Picture Graph Lesson
Students sort four kinds of litter pulled from a creek trash screen, build a single-unit picture graph, and answer compare questions from the graph.
Grade 2 Lesson plan
The Leak Listener of Norwood: A Grade 2 Water Careers Lesson
Second graders learn how a leak detection worker finds pipe leaks by listening, then add and subtract the gallons three fictional leaks lose in an hour.
Grade 2 Lesson plan
Two Days Without a Tap at Marigold Park School
A 45-minute grade 2 economics lesson in which a fictional school loses tap water for two days and students plan and track 80 stored gallons within 100.
Worksheets
Grade 2 Worksheet
Cobbleford Park Fountain Tile Border: A Grade 2 Pattern Sheet
Students design a three-tile repeating border for a park bottle-filling fountain, then add and subtract within 100 to find out whether the tile order is enough.
Grade 2 Worksheet
Rockaway Pond's Muddy Water: A Filter Layer Worksheet
A grade 2 worksheet in which students compare test results from a cloth filter and a cloth-and-sand filter, subtract within 100, and pick the better design.
Grade 2 Worksheet
The Ferris Family's Shower Timer on Dogwood Terrace
A grade 2 worksheet on shorter showers: students add and subtract within 100 using one family's Monday shower minutes and a five-minute goal.
Grade 2 Worksheet
Storm Drain Patrol at Juniper Hill: A Grade 2 Word Problem Worksheet
Grade 2 students solve addition and subtraction word problems within 100 using a week of storm-drain-clearing counts from Juniper Hill's Storm Drain Patrol club.
Grade 2 Worksheet
Birchwood Lane's Meter Technician: A Grade 2 Water-Use Worksheet
Grade 2 students help a fictional meter technician compare, add, and subtract one week's water-meter readings from four houses on Birchwood Lane and graph the results.
Math problem sets
Grade 2 Math problem set
Water Deliveries to Quillmoor Crossing: A Grade 2 Problem Set
A town's well pump is down for a week, and eight linked problems track the cases of water delivered each day against a 200-case goal.
Classroom activities
Grade 2 Classroom activity
Bramblewick's Drip Cards: A Grade 2 Make-100 Matching Game
Ten cards show the cups a leaky fixture wastes in a day, and groups hunt for the five pairs that add to exactly 100 cups, one full jug.
Grade 2 Classroom activity
Downspout Dash at Harrowgate: A Grade 2 Rain Barrel Board Game
Teams move a token along a roof-to-rain-garden path, drawing cards that add or take gallons, and keep a running barrel total within 100 on a record sheet.
Graphic organizers
Grade 2 Graphic organizer
Nettleford Bend Creek Cleanup: A Grade 2 Two-Step Problem Organizer
A four-column frame walks grade 2 students from what they know through two number sentences to the answer, using three creek cleanup word problems.