
3rd Grade · Logic & Problem Solving
Logic Grid: Lunchbox Detectives
Free printable 3rd Grade logic & problem solving worksheet: Logic Grid: Lunchbox Detectives. It practices logic grids (Common Core MP.1). For ages 8-9. Download the PDF, print it, or fill it in online.
Fill in or color online- Grade
- 3rd Grade
- Subject
- Logic & Problem Solving
- Skill
- Logic grids
- Ages
- 8–9
- Standard
- MP.1
- Format
- A4 PDF · print or fill in online
About this worksheet
“Logic Grid: Lunchbox Detectives” is sheet 1 of 30 in our free 3rd Grade Logic & Problem Solving Worksheets collection, written for children aged 8–9. It focuses on logic grids, one of two sheets in the set on that skill.
It is the first sheet in the set, so it is a good place to start; “Function Tables: Find the Rule” comes next.
What this worksheet practices
MP.1 · Common Core Math
Standards for Mathematical Practice
Make sense of problems and persevere in solving them.
More logic grids worksheets
The other 3rd Grade Logic & Problem Solving sheets on logic grids, in the order they are meant to be done.
How to use this worksheet
- 1
Let your child explain their reasoning out loud on the logic grid and line-up puzzles. Saying “so nobody else can have carrots” is the skill.
- 2
On function tables, ask for the rule in words first, then as a number sentence.
- 3
Accept any well-argued answer on “Which One Does Not Belong?” — there is more than one right choice by design.







