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.

CC.2.1.4.B.2

Use place-value understanding and properties of operations to perform multi-digit arithmetic.

Example Problems

Multiply:

316 \cdot 10 =

Multiply:

425 \cdot 10 =

Multiply:

605 \cdot 10 =

Khan Academy Resources

Multiply 2-digit numbers Divide using place value Understand multiplying by a multiple of 10, 100, and 1000 Multi-digit addition Multiply using partial products Multiply and divide by 10 Multi-digit subtraction Multiply 2-digits by 1-digit with area models Divide whole numbers by 10 Multiply 2-digit numbers with area models Multiply with partial products (2-digit numbers)Multiplying 10s Multiply 3- and 4-digits by 1-digit with area models Multiply 1-digit numbers by 10, 100, and 1000 Estimate products (2-digit numbers)Multiply 3- and 4-digits by 1-digit with distributive property Multiply 2-digits by 1-digit with distributive property Multiply 1-digit numbers by a multiple of 10, 100, and 1000 Estimate products (1-digit times 2, 3, and 4-digit)Multiply whole numbers by 10 Long division with remainders: 2292÷4 Estimating with multiplication Adding 3-digit numbers Division using place value Long division with remainders: 3771÷8 Multiplying with area model: 78 x 65 Subtracting 3-digit numbers (regrouping) Multiplying two 2-digit numbers using partial products Place value when multiplying and dividing by 10 Worked example: Subtracting 3-digit numbers (regrouping twice)Worked example: Subtracting 3-digit numbers (regrouping from 0)Multiplying 3-digit by 1-digit (regrouping)Using place value to add 3-digit numbers: part 1 Multiplying 3-digit by 1-digit Estimating 2-digit multiplication Dividing whole numbers by 10 Multiplying with area model: 16 x 27 Multiplying 1-digit numbers by 10, 100, and 1000 Multiplying 10s Worked example: Subtracting 3-digit numbers (regrouping) Multiplying 2-digit numbers Multi-digit subtraction: 389,002-76,151 Relate place value to standard algorithm for multi-digit subtraction Adding whole numbers by their place values Multiplying 2-digits by 1-digit with partial products Multiplying whole numbers by 10 Multiplying 1-digit numbers by multiples of 10, 100, and 1000 Multiplying with area model: 6 x 7981 Using place value to add 3-digit numbers: part 2 Adding multi-digit numbers: 48,029+233,930 Quotients that are multiples of 10 Relate place value to standard algorithm for multi-digit addition

1-on-1 AI tutoring aligned to CC.2.1.4.B.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 →