Is Goblins free for teachers?

Yes. Goblins offers a generous free tier that includes 1 live feedback assignment per week, insights on student mastery and replays, and the ability to upload your own content. The Max plan adds unlimited assignments, superadaptive mode, grade exports, standards growth reports, and SSO/LMS integration, with per-student pricing for schools and districts.

How does Goblins work?

Three simple steps: (1) Share an assignment from thousands of standards-aligned topics using a share code. (2) Students speak and draw their thinking naturally, and Goblins responds with Socratic questioning that sounds just like their teacher. (3) Teachers get real-time formative insights showing what students struggle with and suggestions to inform instruction.

Does Goblins prevent cheating?

Yes. Goblins uses a purpose-trained AI model that evaluates cheating signals in real time. It can detect when students are copying answers, using external tools inappropriately, or not genuinely working through problems. Copy-pasting answers is also blocked.

Can I use my own voice with Goblins?

Yes. Teachers can record their voice and take a selfie to create a custom 3D avatar in about 30 seconds. Students then hear help in their own teacher's voice and see a familiar face, making the experience more personal and effective.

What math levels does Goblins cover?

Goblins covers math from Grade 5 through AP Calculus, including thousands of standards-aligned topics. Teachers can also upload their own content for custom assignments at any level.

Is Goblins FERPA compliant?

Yes. Goblins is FERPA and state compliant. Student data privacy and security are a top priority.

Does Goblins support English Language Learners?

Yes. Goblins supports 30+ languages so teachers don't have to translate every worksheet. It is especially helpful for ELL students who need accessible math instruction in their native language.

5.PFA.2.a

Describe the concept of a variable (presented as a box, letter, or other symbol) as a representation of an unknown quantity.

Example Problems

Eli uses exactly 5 carrots in every meal.

Write an equation that represents how many carrots (

x

) are used for some number of meals (

m

). Then find out how many carrots are used for 7 meals.

A blueprint for a single model house requires 4 windows.

Write an equation that represents the total number of windows (x) needed for some number of model houses (m). Then find out how many windows are needed to build 7 model houses.

Ariana wants to build a rectangular pet door whose area is 900 square centimeters.

Write an equation that represents the height of the door in centimeters (x) based on the width of the base in centimeters (m) in order to find out the door's height if its base is 25 centimeters wide.

1-on-1 AI tutoring aligned to 5.PFA.2.a. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →