The IXL Ultimate 3rd Grade Math Workbook, Activity Book for Kids Ages 8-9 Covering Addition, Subtraction, Multiplication, Division, Fractions, Geometry, and More Mathematics (IXL Ultimate Workbooks)

The IXL Ultimate 2nd Grade Math Workbook, Activity Book for Kids Ages 7-8 Covering Addition, Subtraction, Place Value, Geometry, Measuring, and More Mathematics (IXL Ultimate Workbooks)

Humble Math - 100 Days of Timed Tests: Multiplication: Grades 3-5, Math Drills, Digits 0-12, Reproducible Practice Problems

The IXL Ultimate 4th Grade Math Workbook, Activity Book for Kids Ages 9-10 Covering Addition, Subtraction, Multiplication, Division, Fractions, ... and More Mathematics (IXL Ultimate Workbooks)

The IXL Ultimate 5th Grade Math Workbook, Activity Book for Kids Ages 10-11 Covering Multiplication, Division, Fractions, Decimals, Geometry, and More Mathematics (IXL Ultimate Workbooks)

1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

Kindergarten Math Workbook: Kindergarten and 1st Grade Workbook Age 5-7 | Homeschool Kindergarteners | Addition and Subtraction Activities + Worksheets

Original Sudoku Page-A-Day® Calendar 2026: 365 Puzzles from the Editors at Nikoli

Logic Workbook for Gritty Kids: Spatial reasoning, math puzzles, word games, logic problems, activities, two-player games. (The Gritty Little Lamb ... & STEM skills in kids ages 6, 7, 8, 9, 10.)

Humble Math - 100 Days of Timed Tests: Addition and Subtraction: Grades K-2, Math Drills, Digits 0-20, Reproducible Practice Problems