# Shop Books > More From Roxanne Eckenrode

PUZZLE MATH: Writing Systems of Equations from Word Problems
eBook (PDF): \$1.50
Students read 10 word problems and design systems of linear equations to model the situations. Then they use a decoder to get immediate feedback as they self-check the answers. Next they solve the... More > 10 systems they wrote, choosing to use graphing, substitution, or elimination. They use a 2nd decoder to check these answers as well. Students enjoy the perpetual support and the variety of situations presented in this 2-page worksheet.< Less
PUZZLE MATH: Writing Systems of Equations from Word Problems
Paperback: \$10.13
Students read 10 word problems and design systems of linear equations to model the situations. Then they use a decoder to get immediate feedback as they self-check the answers. Next they solve the... More > 10 systems they wrote, choosing to use graphing, substitution, or elimination. They use a 2nd decoder to check these answers as well. Students enjoy the perpetual support and the variety of situations presented in this 2-page worksheet.< Less
PUZZLE MATH: Subtracting a Single Digit
eBook (PDF): \$0.00
Students who need practice performing subtraction of a single digit can use this short worksheet that provides immediate feedback. It is self-checking. While having fun decoding a secret message (and... More > getting immediate, satisfying feedback) young students will complete ten subtraction problems. (A secondary goal of the worksheet for some students is for them to use inductive reasoning to notice that in all of the problems the second term is half of the first, so the difference will always be equal to the subtracted term.) Similar PUZZLE MATH worksheets and books on subtraction and later math topics are available at www.lulu.com/roxlulu, including, "PUZZLE MATH: Simple Subtraction Practice", "PUZZLE MATH: Adding, Subtracting, Multiplying, and Dividing Fractions", and "PUZZLE MATH: Trigonometry and Logarithms".< Less
PUZZLE MATH: Solving Proportions - Symbolic and Word Problems
eBook (PDF): \$2.18
These two worksheets are on solving proportions. One has students solve proportions equations, and the other has students set up and solve proportions equations to solve word problems. The secret... More > decoder format allows students to receive immediate feedback and reduces overhead for teachers too. Students who used these worksheets reported that they helped to practice the concepts and that they were enjoyable to complete.< Less

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