Adding and Subtracting Fractions Book Reviews
Adding and Subtracting Fractions by Todd Deluca Book Summary
Interactive Workbook includes interactive activities and a companion quiz. This work book is intended to be instructor lead. Instructors guide is included.
Lesson Objective
Add and subtract fractions with like and unlike denominators.
Common Core Alignment
Number & Operations—Fractions
4.NF.3.
Understand a fraction a/b with a > 1 as a sum of fractions 1/b.
Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.
Use equivalent fractions as a strategy to add and subtract fractions.
5.NF.1.
Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)
5.NF.2.
Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2.
Apply and extend previous understandings of multiplication and division to multiply and divide fractions.
5.NF.3.
Interpret 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. For example, interpret 3/4 as the result of dividing 3 by 4, noting that 3/4 multiplied by 4 equals 3, and that when 3 wholes are shared equally among 4 people each person has a share of size 3/4. If 9 people want to share a 50-pound sack of rice equally by weight, how many pounds of rice should each person get? Between what two whole numbers does your answer lie?
Book Name | Adding and Subtracting Fractions |
Genre | Mathematics |
Author | Todd Deluca |
Published | 27 March 2013, Wednesday |
Language | English |
E-Book Size | 4.1 MB |
Adding and Subtracting Fractions (Todd Deluca) Book Reviews 2024
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adding-and-subtracting-fractions-ebook.pdf | |
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Summary of Adding and Subtracting Fractions by Todd Deluca
The Adding and Subtracting Fractions book written by Todd Deluca was published on 27 March 2013, Wednesday in the Mathematics category. A total of 60 readers of the book gave the book 0 points out of 5.
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