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.

MA.4.M.1.2

Convert within a single system of measurement using the units: yards, feet, inches; kilometers, meters, centimeters, millimeters; pounds, ounces; kilograms, grams; gallons, quarts, pints, cups; liter, milliliter; and hours, minutes, seconds.

Khan Academy Resources

Metric units of length review (mm, cm, m, & km)US Customary units of length review (in, ft, yd, & mi)Metric units of mass review (g and kg)Metric units of volume review (L and mL)US Customary units of weight review (oz & lb)Converting units of time review (seconds, minutes, & hours)US Customary units of volume review (c, pt, qt, & gal)Convert to smaller units (oz and lb)Convert to smaller units (mL and L)Metric conversions word problems Convert units (US customary)Convert to smaller units (g and kg)Convert units of time Convert to smaller units (mm, cm, m, & km)Convert to smaller units (sec, min, & hr)US customary conversion word problems Time conversion word problems Convert to smaller units (in, ft, yd, & mi)Convert to smaller units (c, pt, qt, & gal)Converting yards into inches Converting pounds to ounces Converting units: US volume How to convert kg to mg and T to oz Convert liters to milliliters Time word problem: Susan's break Converting units: minutes to hours Multi-step unit conversion examples (U.S. Customary)Multi-step unit conversion examples (metric)Converting metric units of length Time word problem: travel time Converting US customary units of volume Converting units of time Converting feet to inches

1-on-1 AI tutoring aligned to MA.4.M.1.2. 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 →