Detective Sheet A Worksheet Case File: Session A
Operation Detective
Math Progress Monitoring & IEP Support
Detective Name:
Date Evaluated:
Mission Briefing: Read each word problem carefully. Use the CUBES checklist to analyze the clue. Complete the graphic organizer, show your calculations, and write your final answer.
Level 1: One-Step Clues (Single Operation)
Clue File #1: Badge Count Skill: Subtraction
Leo has 124 detective badges. He gives 45 badges to his partner, Maya, to share with the team. How many badges does Leo have left?
CUBES Steps
C ircle Numbers U nderline ? B ox Key Clues E liminate Extra
Part-Part-Whole Model
Whole (Total Badges)
Part (Given)
Part (Left)
Show Your Calculations Here
Leo's Leftover Badges:
Clue File #2: Equipment Cost Skill: Multiplication
Detective Maya bought 6 magnifying glasses for her team. Each magnifying glass cost $8 . How much did she spend in total?
CUBES Steps
C ircle Numbers U nderline ? B ox Key Clues E liminate Extra
Equal Groups Model
Groups 6
Size $8
Total ?
Show Your Calculations Here
Total Money Spent: $
Target Goal: Solve 1- to 2-step problems with accuracy Page 1 of 2
Case File: Session A
Operation Detective
SESSION A PROGRESS CHECK
Level 2: Two-Step Cases (Multi-Step Clues)
Clue File #3: Notebook Delivery Skills: Multiplication + Addition
The agency ordered 4 boxes of spy notebooks. Each box has 12 notebooks inside. They also found 15 extra notebooks in the closet. How many notebooks do they have in total?
Step 1: Total notebooks in boxes (___ × ___)
Step 1 Calc
Step 2: Add extra notebooks (___ + 15)
Step 2 Calc
Total Notebooks Available:
Clue File #4: Secure Sorting Skills: Subtraction + Division
Detective Leo had 85 clue files. He archived 25 files on Monday. He split the remaining files equally into 5 folders. How many files went into each folder?
Step 1: Subtract archived files (___ - ___)
Step 1 Calc
Step 2: Divide remaining files into 5 groups
Step 2 Calc
Files Per Folder:
Teacher Case Log: IEP Progress Record
Case # & Skill Accuracy Prompt Level Needed Observations / Error Types #1: 1-Step Subtraction Correct Incorrect Ind / Verb / Vis / Full #2: 1-Step Multiplication Correct Incorrect Ind / Verb / Vis / Full
|
| #3: 2-Step Mult + Add | Correct Incorrect | Ind / Verb / Vis / Full |
|
| #4: 2-Step Sub + Div | Correct Incorrect | Ind / Verb / Vis / Full |
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Target Goal: Solve 1- to 2-step problems with accuracy Page 2 of 2
Detective Sheet B Worksheet Case File: Session B
Operation Detective
Math Progress Monitoring & IEP Support
Detective Name:
Date Evaluated:
Mission Briefing: Read each word problem carefully. Use the CUBES checklist to analyze the clue. Complete the graphic organizer, show your calculations, and write your final answer.
Level 1: One-Step Clues (Single Operation)
Clue File #1: Book Library Skill: Subtraction
Detective Ben has 135 mystery books. He lends 48 books to his classmate, Zoey, to study clues. How many mystery books does Ben have now?
CUBES Steps
C ircle Numbers U nderline ? B ox Key Clues E liminate Extra
Part-Part-Whole Model
Whole (Total Books)
Part (Lent)
Part (Left)
Show Your Calculations Here
Ben's Remaining Books:
Clue File #2: Powder Packets Skill: Multiplication
Detective Zoey bought 7 packets of fingerprint powder for clues. Each packet cost $9 . How much did she spend in total?
CUBES Steps
C ircle Numbers U nderline ? B ox Key Clues E liminate Extra
Equal Groups Model
Groups 7
Size $9
Total ?
Show Your Calculations Here
Total Money Spent: $
Target Goal: Solve 1- to 2-step problems with accuracy Page 1 of 2
Case File: Session B
Operation Detective
SESSION B PROGRESS CHECK
Level 2: Two-Step Cases (Multi-Step Clues)
Clue File #3: Pen Storage Skills: Multiplication + Addition
The school detective club ordered 3 packs of marking pens. Each pack has 15 pens inside. The teacher gave them 20 more pens. How many pens do they have in total?
Step 1: Total pens in packs (___ × ___)
Step 1 Calc
Step 2: Add teacher's pens (___ + 20)
Step 2 Calc
Total Pens Available:
Clue File #4: Decoded Messages Skills: Subtraction + Division
Detective Ben had 95 top-secret codes. He solved 15 codes in the morning. He divided the remaining codes equally among secret agents. How many codes did each agent get?
Detective Sheet C Worksheet Case File: Session C
Operation Detective
Math Progress Monitoring & IEP Support
Detective Name:
Date Evaluated:
Mission Briefing: Read each word problem carefully. Use the CUBES checklist to analyze the clue. Complete the graphic organizer, show your calculations, and write your final answer.
Level 1: One-Step Clues (Single Operation)
Clue File #1: Magnifying Tools Skill: Subtraction
Detective Sam has 142 magnifying tools. He sells 53 of them to other school detectives. How many magnifying tools does Sam have left?
CUBES Steps
C ircle Numbers U nderline ? B ox Key Clues E liminate Extra
Part-Part-Whole Model
Whole (Total Tools)
Part (Sold)
Part (Left)
Show Your Calculations Here
Sam's Leftover Tools:
Clue File #2: Official Notebooks Skill: Multiplication
Detective Ava bought 8 packs of official notebooks for Case Files. Each pack cost $7 . How much did she spend in total?
CUBES Steps
C ircle Numbers U nderline ? B ox Key Clues E liminate Extra
Equal Groups Model
Groups 8
Size $7
Total ?
Show Your Calculations Here
Total Money Spent: $
Target Goal: Solve 1- to 2-step problems with accuracy Page 1 of 2
Case File: Session C
Operation Detective
SESSION C PROGRESS CHECK
Level 2: Two-Step Cases (Multi-Step Clues)
Clue File #3: Folder Inventory Skills: Multiplication + Addition
The detective team bought 5 packages of folders. Each package has 11 folders. They already had 25 folders on the desk. How many folders do they have in total?
Step 1: Total folders in packages (___ × ___)
Step 1 Calc
Step 2: Add desk folders (___ + 25)
Step 2 Calc
Total Folders Available:
Clue File #4: Case Assignment Skills: Subtraction + Division
Detective Sam had 78 cases to review. He closed 18 cases yesterday. He split the remaining cases equally among team members. How many cases did each member get?