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
Addition, Subtraction, Multiplication, and Division 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 and Subtraction for 3rd and 4th Grade
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
