Curated OER
Simple Integer Subtraction
In this mathematics worksheet, 2nd graders solve a number of problems by subtracting simple integers from each other. There are 42 problems to solve on the sheet.
Curated OER
Integer Magic Squares
In this math activity, students find the values along the diagonals using integers to become the sum known as the magic number.
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Edline
Adding and Subtracting Integers
When should you use a number line to add and subtract integers, and when should you use absolute values? Complete a set of worksheets designed to reinforce adding and subtracting integers with both standard problems and word problems....