Spectrum (R) Critical Thinking for Math provides third graders with learning activities and problem-solving strategies for: -addition and subtraction through 4-

Spectrum(R) Critical Thinking for Math for fourth grade helps children understand concepts such as: -geometry -rounding -multiplication and division -addition a

Spectrum(R) Critical Thinking for Math for fifth grade provides practice in applying math to the real world. Skills covered include: -equations -measurement -pl

The standards-based Spectrum (R) Critical Thinking for Math for second grade guides children through problem-solving strategies including: -addition and subtrac

Spectrum(R) Critical Thinking for Math for first grade provides practice in applying math to real-world situations by covering skills such as: -place value -add