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.

4.NF.4.a

Understand a fraction a/b as a multiple of 1/b.

Khan Academy Resources

Compare fractions with different numerators and denominators Equivalent fractions Add fractions with common denominators Subtract fractions with common denominators Multiply fractions and whole numbers on the number line Multiply unit fractions and whole numbers Visually compare fractions with unlike denominators Add and subtract fractions word problems (same denominator)Equivalent fractions (fraction models)Decompose fractions with denominators of 100 Add fractions (denominators 10 & 100)Multiply fractions and whole numbers word problems Decompose fractions Equivalent fractions with fraction models (denominators 10 & 100)Multiply fractions and whole numbers with fraction models Write fractions as decimals (denominators of 10 & 100)Fractions of different wholes Equivalent whole number and fraction multiplication expressions Write decimals and fractions shown on grids Equivalent fractions (denominators 10 & 100)Equivalent fractions (number lines)Multiply fractions and whole numbers Multiply mixed numbers and whole numbers Interpret multiplying fraction and whole number word problems Adding fractions with like denominators Subtracting fractions with like denominators Rewriting decimals as fractions: 0.36 Equivalent fractions Comparing fractions of different wholes 1 Multiplying fractions by whole numbers word problem Multiplying unit fractions and whole numbers Multiplying fractions word problem: movies Decomposing a mixed number Fraction multiplication on the number line Rewriting fractions as decimals Equivalent fraction and whole number multiplication problems Multiplying fractions and whole numbers visually Multiplying fractions word problem: milk More on equivalent fractions Equivalent fractions and different wholes Comparing fractions of different wholes Fraction word problem: lizard Multiplying mixed numbers by whole numbers Decomposing a fraction visually

1-on-1 AI tutoring aligned to 4.NF.4.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 →