Wildlife Rescue Practice Worksheet
Wildlife Rescue Practice Worksheet
Grade 3 Math • Real-World Multi-Digit Addition & Subtraction
Name:
Date:
Ranger Strategy: 1. Draw a bar model or diagram • 2. Write an equation with a symbol (□) • 3. Solve & label units
1
Songbird Migration Sanctuary
Addition
The Pine Valley Bird Sanctuary cared for 274 injured songbirds during the spring. In the summer, rangers admitted 358 more songbirds. How many songbirds did the sanctuary care for in all?
Step 1: Draw a Model (Bar Diagram / Tape Model)
Step 2: Equation with Symbol (use â–¡ for unknown)
Step 3: Show Your Calculation
State your final value and units:
Answer:
2
Sea Turtle Hatchery Rescue
Subtraction
Coastal biologists protected a nest holding 520 sea turtle eggs. Over three nights, 367 hatchlings safely reached the ocean. How many eggs have not yet hatched?
Step 1: Draw a Model (Bar Diagram / Tape Model)
Step 2: Equation with Symbol (use â–¡ for unknown)
Step 3: Show Your Calculation
State your final value and units:
Answer:
Standard: Multi-Digit Addition & Subtraction Problem Solving Page 1 of 2
Wildlife Rescue Practice Worksheet
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Student Name:
3
River Otter Feed Supply
Comparison / Missing Part
The wetland reserve stocked 845 pounds of fresh trout for the otters. By Thursday evening, only 289 pounds remained in cold storage. How many pounds of trout were consumed?
Step 1: Draw a Model (Bar Diagram / Tape Model)
Step 2: Equation with Symbol (use â–¡ for unknown)
Step 3: Show Your Calculation
State your final value and units:
Answer:
4
Ranger Station Blanket Drive (Two-Step Challenge)
Multi-Step
To prepare cold enclosures for winter, the sanctuary needs a total of 900 warming blankets. The Oak Creek School collected 346 blankets, and the Mountain Scout Troop gathered 285 blankets. How many more blankets are still needed to reach the goal?
Part A: Total Blankets Collected Write an equation with symbol \(c\) and solve for total collected:
Calculation:
Part B: Blankets Still Needed Write an equation with symbol \(n\) and solve for needed:
Calculation:
Final count needed with units:
Answer:
Ranger Self-Check: Did I include an unknown symbol in every equation? Did I write the units in my answers?
Yes Needs Check
Standard: Multi-Digit Addition & Subtraction Problem Solving Page 2 of 2
