Summit Operations Worksheet
Ranger Field Logistics Grade 5 • Operations
Summit Operations Worksheet
Name:
Date:
Mission Directive: 1. Read the scenario • 2. Circle the operation • 3. Show vertical computation • 4. Include unit label
+ Total, Combined, In all − Difference, Remaining, Fewer
1 Timberline Trail Count
In June, Ranger Station North logged 24,580 hikers along the mountain trails. In July, mid-summer tourism brought an additional 31,745 hikers. How many total hikers completed the trails across both months?
Operation:
[ + ] Addition [ − ] Subtraction
| Clue word:
Show Calculation:
Answer:
2 Reforestation Nursery
The alpine nursery cultivated 48,250 pine seedlings for habitat restoration. During the autumn replanting project, field volunteers planted 29,685 seedlings. How many seedlings remain in the nursery?
Operation:
[ + ] Addition [ − ] Subtraction
| Clue word:
Show Calculation:
Answer:
3 Salmon Run Tracking
Sonar sensors at Bear Creek Pass counted 115,420 salmon swimming upstream. At the higher Glacier Falls station, sensors detected 88,965 salmon. How many more salmon passed through Bear Creek than Glacier Falls?
Operation:
[ + ] Addition [ − ] Subtraction
| Clue word:
Show Calculation:
Answer:
4 Emergency Water Reserves
The fire-suppression depot holds 340,500 gallons of water in Reservoir Alpha. The newly completed Reservoir Beta adds 78,650 gallons of emergency storage. What is the combined water capacity of both reservoirs?
Operation:
[ + ] Addition [ − ] Subtraction
| Clue word:
Show Calculation:
Answer:
Summit Operations • Single-Step Operations Continue to Page 2 for Advanced Multi-Step Tasks →
Summit Operations • Part II
Single-Step Problem 5 and Multi-Step Expedition Challenges
Ranger Name:
5 Search & Rescue Budget
The park safety division was allocated an annual emergency budget of $250,000. By mid-year, the rangers had spent $163,425 on gear, helicopter fuel, and satellite comms. How much money remains in the emergency fund?
Operation:
[ + ] Addition [ − ] Subtraction
| Clue word:
Show Calculation:
Answer:
Two-Step Missions Plan carefully: identify both operations in sequence before calculating!
Problems 6 & 7
6 Trail Map Supply Logistics 2-Step Challenge
The central supply center started the holiday rush with a warehouse stock of 50,000 trail guide maps. Over the holiday weekend, Ranger Station West distributed 18,450 maps, and Ranger Station East distributed 16,275 maps. How many maps remain in the central warehouse stock?
Step 1: Total Distributed
[+] Add [−] Sub
Step 1 Result:
Step 2: Remaining Stock
[+] Add [−] Sub
Final Answer:
7 Wilderness Sanctuary Expansion 2-Step Challenge
Grizzly Ridge Wildlife Sanctuary originally covered 85,400 acres. State conservators bought land to expand the preserve by 14,250 acres. Later in the year, severe rockslides required closing 6,830 acres to visitors for safety. How many active acres are currently open?
Step 1: After Expansion
[+] Add [−] Sub
Step 1 Result:
Step 2: After Closure
[+] Add [−] Sub
Final Answer:
Ranger Self-Verification Protocol
Did you check regrouping/borrowing across zeros? Did you label every answer with the correct unit?
Regrouping Checked Units Labeled
Summit Operations Answer Key
Teacher Reference Grade 5 • Master Key & Guide
Summit Operations Answer Key
Standards Focus
CCSS.MATH.CONTENT.5.NBT / 4.NBT.B.4
Teaching Note: Prompt students to estimate sums and differences before computing to build number sense.
Verify standard vertical regrouping
1 Timberline Trail Count
Addition ( + )
24,580 hikers in June + 31,745 hikers in July. Total hikers across both months?
Clue Words: “total”, “across both months” indicate joining groups.
Watch-Out: Ensure students regroup the 1 ten from \(8 + 4 = 12\) into the hundreds column.
¹¹
24,580
+ 31,745
56,325
Answer: 56,325 hikers
2 Reforestation Nursery
Subtraction ( − )
48,250 pine seedlings cultivated − 29,685 planted. Seedlings remaining in nursery?
Clue Words: “remain”, “planted [taken away]” indicate separating.
Watch-Out: Multiple consecutive regroups required across tens, hundreds, and thousands.
³¹⁷ ¹¹ &sup4; ¹&sup0;
48,250
− 29,685
18,565
Answer: 18,565 seedlings
3 Salmon Run Tracking
Subtraction ( − )
115,420 salmon at Bear Creek vs. 88,965 at Glacier Falls. How many more at Bear Creek?
Clue Words: “how many more ... than” indicates a comparative difference.
Watch-Out: Students must line up 6 digits over 5 digits correctly on place value.
⁰¹⁰ ¹⁴ ¹³ ¹ ¹&sup0;
115,420
− 88,965
26,455
Answer: 26,455 salmon
4 Emergency Water Reserves
Addition ( + )
340,500 gal in Reservoir Alpha + 78,650 gal in Reservoir Beta. Combined capacity?
Clue Words: “adds”, “combined water capacity” indicate total sum.
Watch-Out: \(4 + 7 = 11\) ten-thousands requires regrouping 1 into the hundred-thousands.
¹ ¹
340,500
+ 78,650
419,150
Answer: 419,150 gallons
Summit Operations Answer Key • Page 1 of 2 See Page 2 for Problem 5 and Two-Step Problems →
Summit Operations Answer Key • Part II
Single-Step Problem 5 and Two-Step Challenge Solutions
