LogicMathGrades PreK–12SecularIndividual books ~$15–$35

The Critical Thinking Co.

Day-to-day

Mostly independent

Structure

Structured

Lesson prep

Open-and-go

Writing load

Moderate writing

If you fall behind

Self-paced — pause anytime

At a glance

Grade levelGrades PreK–12

SubjectsLogic, Math, Language Arts, Science

PriceIndividual books ~$15–$35

Teaching stylevisual, writing-intensive

ApproachSecular

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