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.

HSS.ID.A.1

Represent data with plots on the real number line (dot plots, histograms, and box plots).

Example Problems

The scores for Ms. Uhl's 7th grade math class are:

40, 41, 42, 43, 45, 47, 49, 50, 51, 51, 54, 57, 59, 60, 61, 63, 67, 69, 70, 71

Find the percentile rank for a score of 70 on this test.
Round your answer to the nearest whole percentile, if necessary.

The scores for Ms. Thomas' 6th grade math class are:

21, 24, 26, 27, 28, 28, 31, 32, 34, 36, 39, 40, 42, 44, 45, 46, 49, 53, 57, 60

Find the percentile rank for a score of 28 on this test.
Round your answer to the nearest whole percentile, if necessary.

The scores for Ms. Thomas' 6th grade math class are:

21, 24, 26, 27, 28, 28, 31, 32, 34, 36, 39, 40, 42, 44, 45, 46, 49, 53, 57, 60

Find the percentile rank for a score of 46 on this test.
Round your answer to the nearest whole percentile, if necessary.

Khan Academy Resources

Comparing data distributions Creating dot plots Interpreting quartiles Read histograms Creating box plots Reading dot plots & frequency tables Reading box plots Create histograms Reading box plots Worked example: Creating a box plot (even number of data points)Worked example: Creating a box plot (odd number of data points)Frequency tables & dot plots Creating a histogram Judging outliers in a dataset Interpreting box plots Interpreting a histogram

1-on-1 AI tutoring aligned to HSS.ID.A.1. 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 →