Subtracting fractions with common denominators can be made simple. Just tell your students to follow the two steps below. We’ve also included some powerpoint and PDF files with examples in English and Spanish. If you come to this site often, you know we LOVE examples for teaching math. 3 simple steps to subtracting fractions with…
Standards CCSS.MATH.CONTENT.4.NF.B.3.CAdd and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction. Summary Now that you understand what a fraction is, what’s a numerator and what’s a denominator, you can start doing operations with fractions.…
Standards Apply and extend previous understandings of multiplication and division. CCSS.MATH.CONTENT.5.NF.B.3Interpret a fraction as division of the numerator by the denominator (a/b = a ÷ b). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. Visualizing the…
Mixed form to fraction form! In this video you’ll learn about the fraction and mixed forms for fractions, how to go from mixed to fraction form, and also get to practice with the examples that we have prepared for you.Check out this movie and more from our game Fish Lake. If you don’t know Fish…
One half means it’s fair Who doesn’t want life to be fair? Learning fractions? Start with the most basic – dividing a whole into two equal parts. Equal is the key point emphasized here. It’s not enough to be in two parts, you need two equal parts. Fractions are more than pizza I like this…
When first learning fractions, I’ve found most students benefit from lots and lots of examples. It’s fine to teach rules and procedures, which I do, but I also try to show that rule applied in many different contexts. Watch this video for many examples of how N/N = 1 . Whether it is one trip,…
Adding and Subtracting fractions with a Common Denominator: Multi-step problems
Students often struggle with multi-step problems for a lot of reasons. In my experience, the most common one is they stop too soon. For example, in the first lesson below, the student may add up the fractions of the rice gathered by each of the two sisters and stop there. However, the question asks, “How…
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