Understanding Sums and Patterns

The video tutorial explores how to determine a missing equation by modeling sums with oranges. It demonstrates that various combinations of numbers can result in the same sum, using the example of six oranges. The tutorial also highlights patterns in addition equations, such as how altering addends while maintaining the sum can reveal consistent results. These patterns are further explored with examples, providing a comprehensive understanding of addition and its properties.

What is the main goal of the problem discussed in the video?

• To find the missing equation that results in a sum of six.

• To calculate the total number of oranges.

• To identify the largest number in the sequence.

• To determine the average of the numbers.

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CCSS.1.OA.A.1

How many oranges are used to model the sum of 1+5?

• Four oranges

• Five oranges

• Six oranges

• Seven oranges

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CCSS.1.OA.A.1

What is the result of 5+1 using the orange model?

• Eight oranges

• Seven oranges

• Six oranges

• Five oranges

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CCSS.3.OA.D.9

Which equation was identified as missing in the sequence?

• 3+3=6

• 5+5=10

• 2+2=4

• 4+4=8

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CCSS.1.OA.A.1

Which of the following sums also equals six?

• 3+4

• 2+3

• 2+4

• 1+6

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CCSS.1.OA.A.1

What is the sum of 4+2 using the orange model?

• Eight oranges

• Five oranges

• Seven oranges

• Six oranges

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CCSS.3.OA.D.9

What pattern is observed in the first addends of the sums?

• They alternate between even and odd.

• They increase by one each time.

• They remain constant.

• They decrease by one each time.

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CCSS.3.OA.D.9

What sequence is observed in the second addends of the sums?

• They increase by one each time.

• They decrease by one each time.

• They remain constant.

• They alternate between even and odd.

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CCSS.1.OA.B.3

What happens to the sum if you add a value to the first addend and subtract the same value from the second addend?

• The sum increases.

• The sum decreases.

• The sum remains the same.

• The sum becomes zero.

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CCSS.1.OA.B.3

If you subtract a value from the first addend and add the same value to the second addend, what happens to the sum?

• The sum increases.

• The sum decreases.

• The sum becomes zero.

• The sum remains the same.

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CCSS.1.OA.B.3