Mr. HOCINE BOUMESSID
Description
We are pleased to present this book, which contains 108 pages. Its goal is to introduce students to the addition and subtraction of positive and negat
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ive numbers within the range of -20 to 20, ensuring that all answers are within this range and can be represented on a number line.
The book is organized as follows: 25 worksheets for adding numbers between -20 and 20 25 worksheets for subtracting numbers between -20 and 20 50 worksheets for mixed addition and subtraction problems within the same range Additionally, the introduction provides clear explanations on how to add and subtract positive and negative numbers. The book concludes with an answer key.
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