Adding and subtracting fractions with unlike denominators typically isn't introduced until fifth grade, so this concept isn't too difficult for fourth graders. The most common mistake is for students to add or subtract the denominator, because they aren't thinking about the
Teaching Word Problems
It’s no secret that addition, subtraction, multiplication, and division word problems present a considerable challenge to students. Students often rush through word problems and immediately try to find an answer, rather than thinking about the meaning of the problem. Students see
Teaching Addition and Subtraction
When you teach upper elementary math, teaching addition and subtraction can be....awkward. Generally speaking, your students already understand the concept. Whether you want them to or not, they know and use the standard algorithm. It's easy to question what to focus on within
Addition Remediation
After I finish my place value remediation lessons, I begin my lessons for subtraction and addition remediation. I always begin with addition, but I do intermix fact families as I teach addition. This allows subtraction to become a more natural form of computation for students.
Teaching Addition and Subtraction
I have been steadily working all summer long on my new fourth grade math units, and I LOVE my new Addition and Subtraction Unit. I have three finished, and I've started my fourth unit. You can read about the Place Value and Rounding Unit here. I haven't written about the
