Spectrum "Critical Thinking for Math" workbooks provide strategies and activities designed to extend mathematical understanding beyond rote drills to helping students understand the process of solving math problems. Each chapter includes a "Check what you Know" pre-test and "Check What you Learned" post-test along with the worksheets; a mid-book test is also included.

This Grade 4 Spectrum Critical Thinking for Math workbook covers: adding and subtracting through 5-digit numbers, numeration, multiplication and division, fractions and decimals, measurement and geometry.

The answer key contains quarter-sized student pages with the correct answers overlaid in red ink. 125 pages, softcover. Consumable and non-reproducible.