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.

S-ID.B.5

Summarize categorical data for two categories in two-way frequency tables. Interpret relative frequencies in the context of the data (including joint, marginal, and conditional relative frequencies). Recognize possible associations and trends in the data.

Example Problems

A survey recorded car ownership across different regions.

Car Type	Urban	Rural	TOTAL
Sedan	50	30	80
SUV	40	50	90
Truck	10	20	30
TOTAL	100	100	200

What fraction of rural respondents own an SUV?

Researchers surveyed public support for renewable energy.

Ideology	Support	Oppose	TOTAL
Liberal	70	10	80
Conservative	50	30	80
Moderate	40	20	60
TOTAL	160	60	220

What fraction of conservatives oppose renewable energy?

A nutritional survey measured daily fruit intake.

Intake	Male	Female	TOTAL
0 servings	20	15	35
1–2 servings	50	60	110
3+ servings	30	25	55
TOTAL	100	100	200

What fraction of the total sample eat 3 or more servings daily?

Khan Academy Resources

Conditional distributions and relationships Create two-way frequency tables Interpret two-way tables Read two-way frequency tables Conditional distributions Identify marginal and conditional distributions Marginal distributions Analyze two-way frequency tables Two-way frequency tables and Venn diagrams Marginal and conditional distributions Interpreting two-way tables Two-way relative frequency tables

1-on-1 AI tutoring aligned to S-ID.B.5. 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.

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