Where can I find a Math Box lesson 1.1 for 5th grade?

You can find Math Box lesson 1.1 for 5th grade in various educational resources, including the publisher's website for your specific math curriculum, such as enVision Math or EngageNY. Additionally, you might check educational platforms like Teachers Pay Teachers or Khan Academy, which often have supplemental materials. Your child's school website may also provide access to lesson plans and resources.