Must-Know MATH
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Grade-Specific Math Skills Books
Grades 1–6
Must-Know Math 25 Activities to Build Key Skills workbooks are packed with high-interest exercises that help kids master key math concepts for grades 1-6.
Also available! Subject-Specific Math Skills Books
Grades 1–5
The NEW Must-Know Math™ skills books for grades 1–5 are filled with activities carefully designed to build math skills from addition and subtraction to fractions, multiplication, division, and problem solving. Perfect for both in-class and at-home practice!

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Help students build skills with more motivating math activities!
Get every student in your class an individual copy of Must-Know Math™ for both
in-class and at-home practice. These curriculum-based workbooks are filled with activities that motivate students to build core math skills from addition, subtraction, and measurement to geometry, fractions, and problem solving. It all adds up to learning fun!
Each skills book includes:
- Colorful, grade-appropriate math activities
- Motivating formats including puzzles, riddles, mazes, and games
- Content linked to your curriculum and NCTM standards
- Online printable bonus activities
Take advantage of our special-low price of only $1.99* per student copy when you order 10 or more Must-Know Math workbooks.
Choose the math activity workbooks for the grade you teach and place your order now!
* Price based on minimum order of 10 workbooks per title. The price per workbook for less than 10 copies is $9.95 each.
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