Spectrum系列也算是鸡娃届美名远扬，
看到站里有部分系列的资源，
试着把其他系列补全~
Basic Beginnings：https://www.jiwake.com/post/78400
Critical Thinking for Math 共九本 GradeK， 1-8
每本128页左右
Spectrum Critical Thinking for Kindergarten Math Workbook—Grade K State Standards, Counting Numbers, Learning Shapes, With Answer Key for Homeschool or Classroom
Spectrum 1st Grade Critical Thinking Math Workbooks, Addition and Subtraction Through 100, Place Value, and Geometry, Classroom or Homeschool Curriculum
Spectrum 2nd Grade Critical Thinking Math Workbooks, Fractions, Addition and Subtraction With 3-Digit Numbers, Geometry, and Measurement, Classroom or Homeschool Curriculum
Spectrum 3rd Grade Critical Thinking Math Workbooks, Multiplication and Division, Addition and Subtraction With 4-Digit Numbers, Fractions, and Geometry, Classroom or Homeschool Curriculum
Spectrum 4th Grade Critical Thinking Math Workbooks, Multiplication and Division, Fractions and Decimals, Measurement Conversions, and Geometry, Classroom or Homeschool Curriculum
Spectrum 5th Grade Critical Thinking Math Workbooks, Geometry, Fractions and Decimals, Algebra 1 Prep, and Place Value, Classroom or Homeschool Curriculum
Spectrum 6th Grade Critical Thinking Math Workbooks, Multiplying and Dividing Fractions and Decimals, Geometry, Ratios and Percents, Probability and Statistics, Classroom or Homeschool Curriculum
Spectrum 7th Grade Critical Thinking Math Workbooks, Algebra, Integers, Geometry, Ratios, Statistics and Probability, Classroom or Homeschool Curriculum
Spectrum 8th Grade Math Workbook, Geometry, Rational and Irrational Numbers, Pythagorean Theorem, Statistics, Linear Equations, Classroom or Homeschool Curriculum
