Froggy Fractions - adding/subtracting like denominators task cards + printables

Grade Levels
3rd, 4th, 5th
Common Core Standards
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10.06 MB   |   20 pages

PRODUCT DESCRIPTION

Help build your students’ proficiency with adding and subtracting fractions with like denominators with this set of task cards and printables. The 32 task cards will provide your students with the necessary practice to build skills with addition and subtraction with like denominators. Extend your students’ practice (or assess their level of mastery) with the four included worksheets. With these resources, your students will grow stronger in their understanding of key fractional computation concepts.

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Common Core State Standards for Mathematics addressed:
Numbers and Operations – Fractions (4.NF)
Use equivalent fractions as a strategy to add and subtract fractions.
• Understand addition and subtraction of fractions as joining and 
separating parts referring to the same whole. (4.NF.3a)

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Included:
• 2 graphic reference sheets
• 32 task cards
• task card answer sheet and key
• 4 activity sheets and key/scoring guide

Included:
• 2 graphic reference sheets
• 32 task cards
• 8 self-checking “answer cards”
• task card answer sheet and key
• 4 assessment activities and key/scoring guide

The first 16 cards present equations with unknown sums and differences. The second 16 cards up the challenge level by presenting equations with missing addends, minuends, and subtrahends. [One of the two reference sheets provides a quick review of the vocabulary used to describe the elements of addition and subtraction equations.] In addition, select cards in each half (cards 9-16 and cards 25-32) use a mix of proper and improper fractions. The variety of numbers and question types on the cards allows for differentiation to the needs of your students. You can choose to have all the students complete the first 16 cards and then the second 16, or you can have some students work on cards 1 through 16 while those students who are more proficient with fraction relationships can work on cards 17 through 32. Alternately, you might have students complete cards 1-8 and 17 through 24 (which have only proper fractions), and then complete the other cards to practice the same skills with improper fractions. You can meet a variety of needs with this one set of cards!

The denominators on these cards are limited to the ones identified by the Common Core Standards for Grade 4 as “limiters”: 2, 3, 4, 5, 6, 8, and 12. One advantage of using only these denominators is that these fractional units are commonly used on commercially-made fraction bars, fraction circles, and fraction squares. This allows for easy differentiation within the math class. If you have students that are still building an understanding of fractional sizes and relationships, you may choose to give them a set of fraction manipulatives with which to complete the cards. Your students who already have a strong understanding of fractional sizes can complete the cards without the concrete representation.

Included in this set are eight “answer cards” that can serve as a resource if you use a self-paced structure for implementing the task cards. Often, I would have kids work in pairs on cards while I circulated to spot check and give feedback to pairs of students. Naturally, I would get backed up and not be able to reach as many kids until after they had already made many mistakes. I designed these answer cards so that the students could check themselves: catching errors, figuring out for themselves what they did wrong, and (hopefully) avoiding the same mistake on later cards.

The printables consist of two graphic reference sheets and four different one-page worksheets. The first of the two graphic reference sheets is half-page size and presents the terms “added”, “sum”, “minuend”, “subtrahend”, and “difference” in the context of addition and subtraction equations. The second reference sheet is full-page size and shows students how a number line model can be used to show the addition and subtraction of fractions. Before you have your students complete the cards, you can have them glue the reference sheets in their journals. Since the terms “minued”, “subtrahend”, and “added” are only used on cards 17 through 32, you may wish to introduce the full-page reference sheet when your students first begin working on the cards and then provide them with the half-page reference sheet before they work on cards 17 through 32. Your students can use the journal inserts as guides while they work on the cards, as well as when they complete other tasks that relate to adding and subtracting with like denominators.

The four provided activity sheets can be used to evaluate student understanding of adding and subtracting fractions with like denominators. Two of the activity pages are relatively straightforward, with each containing 9 addition and subtraction equations for which the students must find the unknowns. The other two activity sheets are designed to address a student’s reasoning about fraction computation. These two pages present the student with a problem as well as the work and explanation of another student who arrived at the wrong answer. The student is then asked to explain in writing what is incorrect about the reasoning shown. The pairs of worksheets are formatted similarly, and have similar types of questions, though the numbers on each are different. You can use these activity pages in a variety of ways. You could give one as a pre-test, then teach your lesson and allow students to practice with the task cards, and then give the second worksheet as an independent post-test. You could also have the students work on the task cards, then complete one of the worksheet as guided practice with yourself, a partner, or a small group, and then give the second worksheet as an independent assessment. The worksheets could also be given as homework, center assignments, or any other purpose that fits your teaching style or classroom routines.

For more practice with fractions, please check out the other related resources I have available –

Fraction Matchin’ equivalent fractions task cards + printables (set a)

Fraction Matchin’ equivalent fractions task cards + printables (set b)

Monkey Mania & Jumping Giraffes equivalent fractions games + task cards bundle
Flipping for Fractions activity card set

FREE self-checking mixed numeral/improper fraction puzzle set


I hope your students enjoy these resources and are able to build their proficiency with fractions. – Dennis McDonald
Total Pages
20
Answer Key
Included with Rubric
Teaching Duration
N/A

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Froggy Fractions - adding/subtracting like denominators ta
Froggy Fractions - adding/subtracting like denominators ta
Froggy Fractions - adding/subtracting like denominators ta
Froggy Fractions - adding/subtracting like denominators ta
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