Understanding Associative Properties of Addition

The video tutorial explains the associative property of addition, which states that changing the grouping of numbers does not affect the sum. It provides examples using colored blocks to illustrate how different groupings yield the same result. The first example demonstrates grouping (4 + 3) + 2 and 4 + (3 + 2), both resulting in a sum of 9. The second example uses (5 + 2) + 3 and 5 + (2 + 3), both resulting in a sum of 10. The video emphasizes that the sum remains unchanged regardless of how numbers are grouped.

What is the associative property of addition?

• Changing the operation from addition to subtraction changes the sum.

• Changing the numbers themselves changes the sum.

• Changing the grouping of numbers does not change the sum.

• Changing the order of numbers changes the sum.

Tags

CCSS.1.OA.B.3

In the expression (4 + 3) + 2, what is the sum?

• 9

• 8

• 7

• 10

Tags

CCSS.1.OA.B.3

How does the sum of 4 + (3 + 2) compare to (4 + 3) + 2?

• It is the same.

• It is less.

• It is greater.

• It cannot be determined.

Tags

CCSS.1.OA.B.3

In the expression (5 + 2) + 3, what is the sum?

• 8

• 11

• 9

• 10

Tags

CCSS.1.OA.B.3

What is the result of 5 + (2 + 3)?

• 10

• 11

• 9

• 8

Tags

CCSS.1.OA.B.3

How do the colored blocks help in understanding the associative property?

• They show the order of operations.

• They visually represent different groupings.

• They change the sum.

• They represent subtraction.

Tags

CCSS.2.OA.A.1

What is the total number of blocks when grouped as (5 + 2) + 3?

• 10

• 8

• 7

• 9

Tags

CCSS.2.OA.A.1

What is the total number of blocks when grouped as 5 + (2 + 3)?

• 10

• 9

• 8

• 7

Tags

CCSS.1.OA.B.3

What is the key takeaway from the associative property of addition?

• The sum is always zero.

• The sum depends on the color of blocks.

• The sum remains the same regardless of grouping.

• The sum changes with different groupings.

Tags

CCSS.1.OA.B.3