"A basic math program that teaches percent, measurement, formulas, equations, ratio, and proportion skills in Book 2, concluding with a mastery test."@en
"A basic math program that teaches whole number, fraction, and decimal skills in Book 1 and percent, measurement, formulas, equations, ratio, and proportion skills in Book 2, each concluding with a mastery test."@en
"A basic math program that teaches whole number, fraction, and decimal skills in Book 1."@en
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