Critical Thinking Workbook Math Grade 5: Spy Math Puzzles and Brain-Building Thinking Challenges for Smart Kids Ages 9-12: Solve 14 Real Missions in ... - Screen-Free Large Format Activity Workbook by Eric J Kelly

14 secret spy missions. 100+ real Grade 5 maths challenges. One secret transmission to decode. Hours of screen-free spy adventure — in a large format book your child writes in. What if your child's next favourite spy story was also their best maths lesson? THE SPARK FILES is a classified spy adventure where every mission contains a real Grade 5 maths challenge — and the only way to complete the mission is to solve it. No worksheets. No drills. No screens. Just a story, a pencil, and a problem that matters. Your child has been recruited by SPARK — Special Problems Requiring Kids' Reasoning. A rogue agent known only as The Architect has planted 14 mathematically impossible glitches across critical systems worldwide. Buildings. Laboratories. Ships. A space station. Each one is designed to be unsolvable. Except by someone who thinks. Unlike every other puzzle book in this category — the maths is not optional. You cannot read past the mission without solving it. The spy story is the vehicle. The maths is the engine. Read more