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.

5.NBT.A.7

Multiply multi-digit whole numbers and decimals to the hundredths place, and justify the solution.

Example Problems

36 \times 92 \approx ?

58 \times 26 \approx ?

72 \times 39 \approx ?

Khan Academy Resources

Multiplying decimals by 10, 100, and 1000 Multiplying decimals (no standard algorithm)Multi-digit multiplication Multiplying decimals like 0.847x3.54 (standard algorithm)Dividing decimals: thousandths Adding & subtracting decimals word problems Divide whole numbers to get a decimal Adding decimals: thousandths Dividing decimals: hundredths Multiply whole numbers and decimals less than 1 Represent decimal multiplication with grids and area models Multiply by taking out factors of 10 Multiply decimals tenths Multiply and divide decimals by 10 Multiply by 1-digit numbers with standard algorithm Multiply decimals and whole numbers visually Understand multiplying decimals Multiply and divide decimals by 10, 100, and 1000 Decimal multiplication place value Multiply whole numbers and decimals Estimate multi-digit multiplication Estimating with multiplying decimals Multiply and divide by powers of 10 Multiply whole numbers by 0.1 and 0.01 Multiply decimals (1&2-digit factors)Estimating with multiplying decimals and whole numbers Multiply decimals (up to 4-digit factors)Subtracting decimals: thousandths Adding & subtracting decimals word problem Dividing by a multi-digit decimal Adding three decimals Subtracting decimals: 9.005 - 3.6 Dividing by 2-digits: 7182÷42 Intro to standard way of multiplying multi-digit numbers Subtracting decimals: 39.1 - 0.794 Understanding the standard algorithm for multiplication Estimating decimal multiplication Multiplying and dividing decimals by 10 Long division with decimals Strategies for multiplying multiples of 10, 100 and 1000 Multiplying multi-digit numbers: 6,742x23 Decimal multiplication place value Understanding decimal multiplication Intro to multiplying decimals Dividing a whole number by a decimal Adding decimals word problem Multiplying decimals using estimation Developing strategies for multiplying decimals Strategies for multiplying decimals and whole numbers Dividing decimals completely Estimating multi-digit multiplication Dividing decimals with hundredths Rounding decimals word problems Multiplying challenging decimals Dividing whole numbers to get a decimal Adding decimals: 0.822+5.65 Estimating with multiplying decimals and whole numbers Multiplying and dividing decimals by 10, 100, 1000 Dividing a decimal by a whole number Strategies for multiplying multi-digit decimals by whole numbers Developing strategies for multiplying 2-digit decimals Relate multiplication with area models to the standard algorithm Adding decimals: 9.087+15.31 Multiplying decimals and whole numbers with visuals

1-on-1 AI tutoring aligned to 5.NBT.A.7. 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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