# Lesson Ideas

The rules of Krypto are simple: Combine five numbers using the four arithmetic operations (+, –, ×, ÷) to arrive at a target number. This online version of Primary Krypto uses the numbers 1–10 only. The game can be used to practice mental math, to introduce or review order of operations, and to foster logical thinking. While developing these skills, students will feel accomplished at having solved a math puzzle!

#### Numbers and Operations Lesson Plan: The Online Game Krypto

Lesson Plan Summary
In this lesson plan, which is adaptable for grades 3-8, students use BrainPOP resources to explore the function of addition, subtraction, multiplication, and division in problem solving. Students will select the correct operation and numeral to create an accurate number sentence in interactive game play.

**This lesson plan is aligned to Common Core State Standards.**See more »
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