💰 Master simple interest with this engaging Valentine's-themed digital mystery riddle activity! 12 self-checking questions cover finding simple interest, principal, time, and total amount. As students answer correctly, a logic puzzle appears—the perfect brain break to reinforce the math! Ideal for 6th advanced and 7th grade TEKS 7.4 practice. 💰 🔹 WHAT MAKES THIS PRODUCT SPECIAL: ✨ 12 RIGOROUS SELF-CHECKING QUESTIONS - Covers all aspects of simple interest (I = Prt) with student-frien