Math LightUnit 401 reviews concepts that should be adequately mastered in order to succeed in Math 400. It can be used as a diagnostic tool.
The remaining LightUnits introduce new skills and concepts in increments, while continuously reviewing earlier material. The metric system is taught simultaneously with the U.S. system of measurement.
Daily flash-card exercises and speed drills cement the basic number facts into the child’s memory. Along with general fourth-grade math skills such as long division and fractions and decimals, a foundation for later geometry and algebra is laid in gentle, painless steps.
LightUnit themes used in story problems take students around the world from Italy to Australia to a Navajo reservation in New Mexico to a science station on Antarctica.
The Teacher's Guides give teaching tips, extra practice, solutions, LightUnit answers, and alternate LightUnit tests. Answer keys are optional if the Teacher's Guides are purchased.
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