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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?

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Can I use my own voice with Goblins?

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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?

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Does Goblins support English Language Learners?

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What grade level is A1.LFE.18 taught?

This standard is part of the A1 curriculum in Arkansas Mathematics Standards.

Are there practice problems for A1.LFE.18?

Yes, there are 3 practice problems available for A1.LFE.18 with worked examples.

What learning resources are available for A1.LFE.18?

There are 9 Khan Academy resources available for A1.LFE.18, including 5 videos, 3 exercises, 1 articles.

A1.LFE.18: Graph and generalize the effect of transformations on linear and absolute value functions. Transformations include: stretches, compressions, vertical, and horizontal

Graph and generalize the effect of transformations on linear and absolute value functions. Transformations include: stretches, compressions, vertical, and horizontal

Example Problems

The graph of

y = |x|

is shifted to the left by 5 units.

What is the equation of the new graph?

The graph of

y = |x|

is reflected across the y-axis only.

What is the equation of the new graph?

The graph of

y = |x|

is shifted up by 4 units.

What is the equation of the new graph?

Khan Academy Resources

Absolute value graphs review Scale & reflect absolute value graphs Shift functions Shift absolute value graphs Shifting absolute value graphs Scaling & reflecting absolute value functions: graph Shifting functions introduction Shifting functions examples Scaling & reflecting absolute value functions: equation

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