Math Clue Solvers Worksheet
Math Clue Solvers
One-Step Story Problems • Addition & Subtraction
Name:
Date:
4 Easy Steps:
1 Circle numbers
•
2 Underline question
•
3 Use the model
•
4 Solve
1 Beach Shells
Joining • Add More
Leo has 6 shells. He gets 5 more shells. How many shells does Leo have in all?
Ten-Frames: Draw 5 more circles
Part-Part-Whole:
Whole: ?
Part: 6
Part: 5
Put the parts together.
Equation:
=
Answer:
shells
2 Muffins
Separating • Take Away
Maya has 13 muffins. Friends eat 5 muffins. How many muffins are left?
Visual Model: Cross out 5 muffins
1
2
3
4
5
6
7
8
9
10
11
12
13
Put an ✖ on 5. Count what is left.
Part-Part-Whole:
Whole (Start): 13
Ate: 5
Left: ?
Take away the eaten part.
Equation:
−
=
Answer:
muffins
Math Clue Solvers • Page 1 of 2 Turn page for Problems 3 & 4 ➔
Math Clue Solvers (Continued)
Circle numbers • Find your clues!
3 Apples
Comparing • How Many More
Elena has 9 apples. Jack has 4 apples. How many more apples does Elena have than Jack?
Match Pairs: 4 pairs match
Elena (9):
1
2
3
4
5
6
7
8
9
Jack (4):
1
2
3
4
Count the extra apples with no match.
Bar Model:
Elena 9 apples
Jack: 4 Difference: ?
4
?
Subtract: 9 minus 4.
Equation:
−
=
Answer:
more apples
4 Birds
Missing Part • Find the Rest
There are 11 birds in all. 6 birds are red. The rest are yellow. How many birds are yellow?
Number Bond: Total is 11
Total 11
Red 6
Yellow ?
6 + ? = 11
Count Up Strategy:
Start at 6. Count up to 11:
6 ➔ 7 8 9 10 11
How many numbers did you count?
Equation: 11 − 6 = ?
Equation:
−
=
Answer:
yellow birds
Self-Check: How do you feel?
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🌱 Practicing
Math Clue Solvers • Page 2 of 2 Great job solving story clues today! ⭐
Math Clue Solvers Answer Key
Teacher Answer Key & Guide
Math Clue Solvers • Simplified Intervention Solutions
Target Level Grades 1–3 / IEP Intervention
Instructional Focus: Simplified decodable phrasing • Explicit structure identification • Meaningful unit labeling
1 Problem 1: Beach Shells Joining (Result Unknown)
Answer: 11 shells
Visual Representation:
6 filled + 5 drawn = 11 total
Target Equation:
6 + 5 = 11
Part-Whole: Part (6) + Part (5) = Whole (11)
IEP Clue Words & Prompt:
Clue word: "more", "in all". Prompt: "Are we joining groups together?"
Expected Error: Counting on from 1 rather than starting at 6.
2 Problem 2: Muffins Separating (Result Unknown)
Answer: 8 muffins
Visual Representation:
✖1 ✖2 ✖3 ✖4 ✖5 8 remaining
Cross out 5 of the 13 counters = 8 left
Target Equation:
13 − 5 = 8
Part-Whole: Total (13) − Part (5) = Left (8)
IEP Clue Words & Prompt:
Clue word: "eat", "left". Prompt: "Action word 'eat' means taking away."
Expected Error: Blindly adding 13 + 5 without attending to the action verb.
IEP Progress Monitoring & Observation Log
| IEP Target Skill | Prompting Level Needed | Teacher Notes / Mastery Criteria |
|---|
| Identifies operation (+ or −) | Independent / Verbal / Model | Mastery: 4 out of 4 correct operation selections |
| Uses visual organizer | Independent / Gestural / Model | Accurately draws/marks quantities on diagrams |
| Includes correct unit label | Independent / Verbal Reminder | Writes unit (shells, muffins, apples, yellow birds) |
Math Clue Solvers Answer Key • Page 1 of 2 Solutions for Problems 3 & 4 on Page 2 ➔
Answer Key & Intervention Strategies (Cont.)
Comparing & Missing-Part Models
3 Problem 3: Apples Comparing (Difference Unknown)
Answer: 5 more apples
Visual Representation:
Elena: 9 ●●●● + ●●●●●
Jack: 4 ●●●●
4 match up; 5 unmatched extras = difference
Target Equation:
9 − 4 = 5
Larger (9) − Smaller (4) = Difference (5)
