The Spectrum® Critical Thinking for Math Workbook for sixth grade features 128 pages of grade-specific activities to help students think critically while building and applying math skills both in and out of the classroom. Aligned with current state standards, this workbook helps extend learning to real-world scenarios and reinforces concepts such as multiplying and dividing fractions and decimals, ratios, rates and percents, expressions and equations, problem-solving in the coordinate plane, probability and statistics, and more. Testing sections throughout help students review and retain knowledge, while an answer key provides insight into different problem-solving methods and strategies. The best-selling Spectrum series is a favorite of parents and teachers because it's carefully designed to be both effective and engaging--the perfect building blocks for a lifetime of learning.