Adding and Subtracting Mixed Numbers Made Easy

The video tutorial covers adding and subtracting mixed numbers without regrouping. It introduces the vertical method for better accuracy and provides examples of both addition and subtraction. The tutorial explains how to handle different denominators, including when to change one or both denominators to find a common denominator. The video emphasizes the importance of simplifying answers and avoiding common mistakes.

What does 'no regrouping' mean in the context of adding and subtracting mixed numbers?

• You don't need to change the denominators.

• You don't need to rewrite the problems vertically.

• You don't need to borrow or carry numbers.

• You don't need to simplify the fractions.

Tags

CCSS.7.NS.A.1C

Why is it recommended to rewrite mixed number problems vertically?

• It makes the problems look more complex.

• It helps in better visualization and accuracy.

• It is a requirement for all math problems.

• It makes the problems easier to read.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the first example of adding mixed numbers, what is the sum of 2/9 and 1/9?

• 1/9

• 3/9

• 1/3

• 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When adding mixed numbers with one denominator change, what is the least common denominator of 4 and 8?

• 12

• 4

• 8

• 16

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the third example of adding mixed numbers, what is the least common denominator of 6 and 8?

• 24

• 30

• 12

• 18

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of 15/24 and 4/24?

• 19/24

• 22/24

• 21/24

• 20/24

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

In the first example of subtracting mixed numbers, what is the result of 4/5 minus 2/5?

• 1/5

• 4/5

• 2/5

• 3/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When subtracting mixed numbers with one denominator change, what is 1/3 converted to when the common denominator is 9?

• 1/9

• 2/9

• 4/9

• 3/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the third example of subtracting mixed numbers, what is the least common denominator of 5 and 2?

• 5

• 12

• 7

• 10

Tags

CCSS.7.NS.A.1C

What is the result of 6/10 minus 5/10?

• 2/10

• 1/10

• 4/10

• 3/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D