Regrouping Techniques for Adding and Subtracting Fractions

This lesson reviews the concept of regrouping in addition, subtraction, and fractions. It explains how regrouping involves rearranging numbers into new groups, such as converting improper fractions to mixed numbers or borrowing in subtraction. The lesson provides examples and practice problems to illustrate these concepts, emphasizing the importance of place value in regrouping.

What is the result of adding 369 to 1 using regrouping?

• 370

• 360

• 371

• 369

What happens when you subtract 73 from 369?

• 296

• 297

• 295

• 294

What is the simplified form of 12 eighths?

• 1 and 1/2

• 1 and 3/4

• 1 and 1/4

• 2

How do you regroup when adding fractions with a common denominator?

• By changing the denominator

• By adding numerators

• By multiplying denominators

• By subtracting numerators

What is the result of 1 and 1/3 minus 2/3?

• 2/3

• 1/2

• 1/3

• 1

How do you find a common denominator for 1 and 5/8 minus 3/4?

• By finding multiples of 8 and 4

• By adding 8 and 4

• By subtracting 8 from 4

• By dividing 8 by 4

What is the result of 2 and 1/2 plus 2 and 1/2?

• 5

• 4 and 1/2

• 4

• 5 and 1/2

How do you simplify 1 and 4/8?

• 2

• 1 and 2/3

• 1 and 3/4

• 1 and 1/2

What is the result of subtracting 3/4 from 1 and 5/8?

• 3/4

• 1

• 7/8

• 5/8

What is the process called when rearranging into new groups while adding or subtracting?

• Regrouping

• Refactoring

• Renaming

• Realigning