Name: ______________________________

Date:

Homeroom:

7th Grade Math:

Unit: Skills for Success

Packet 5: Adding and Subtracting Fractions

Objectives: Scholars will be able to add and subtract fractions. Scholars will be able to solve word problems involving the addition and

subtraction of fractions. Agenda:

1. Review Do Now 6. Exit Ticket2. Least Common Denominator 7. Homework Overview3. Adding and Subtracting Fractions4. Fraction Word Problems5. Independent Practice Homework: Adding and Subtracting

Fractions

Do Now: Directions: Answer the following questions. Show all of your work!

1.) 7296 3 = 2.) 468 12 =

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Finding the Least Common DenominatorHere is a way to find the least common denominator:

1. Pick the ___________________________ denominator.

2. Start listing its ___________________________. (Remember that the first multiple is the multiple itself.)

3. After you list each _____________________________ ask, “Is this also a ___________________________ of the _________________________ denominator.

4. As soon as you answer “_____________________,” stop. You have found the least common denominator (______________________)

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Adding and Subtracting Fractions

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Fraction Word Problems: Key WordsAddition:

Subtraction:

1. Nancy has 25 of last week’s allowance and 310 of this week’s allowance. How much allowance does Nancy have?

2. Sara picked 27 of a bucket of plums, and Mary picked 59 of a bucket of plums. How many more buckets did Mary pick?

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Independent Practice

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1. Amir is sorting his stamp collection. He made a chart of the fraction of stamps from each country in his collection. 712 of Amir’s stamps are

from either Morocco or Spain. 16 of his stamps are from Morocco. What fraction of Amir’s stamps are from Spain?

2. Heba ate 112 of a box of cereal. Now the box is 34 full. What fraction of a full box was there before Heba ate?

3. 3 56+213

4. 1 12 +4 58

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Practice beyond Perfection: Turn in for dollars!

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Name: ______________________________

Date:

Homeroom:

Mrs. Petrozzi: (614) 725-9693

7th Grade Math:

Unit: Skills for Success

Packet 5: Adding and Subtracting Fractions

Redo: Score: ________/5 _________% DNG A B C D F

Directions: Add or subtract the following fractions. Show all of your work to receive credit.

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Help?!-Finding LCD: Page 2-Adding or Subtracting Fractions: Page 3

Directions: First, annotate the problem. Second, solve the problem. Finally, write your answer in a complete sentence.

1. There are eight pieces of pizza. Justin ate five-eighths of the pizza for dinner. He ate one-fourth of the pizza for a bedtime snack. How much of the pizza has he eaten in all?

2. Makayla ate seven-twelfths of her orange before lunch and a third of her orange after lunch. How much of her orange did she eat in all?

3. The distance from my house to the grocery store is five and three-fourths miles. The distance from our house to the mall is three and two-fifths miles. How much further is the grocery store than the mall from our house?

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Help?!-Addition and Subtraction Fraction Word Problems: Page 4

Name: ______________________________

Date: September 2, 2015

Homeroom:

7th Grade Math:

Unit: Skills for Success

Packet 5: Adding and Subtracting Fractions

Directions: Answer the following questions. When you are finished, flip this page over and assign yourself to your independent reading book.

11Self-Assessment: _______ Test-Ready _______ More Practice ________ Help!

Mastery: ___________/6 Mastered Progressing Not Mastered

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