Adding Integers with Balloons and Sandbags

The video tutorial explains how to add positive and negative numbers using a model of balloons and sandbags. Positive numbers are represented by balloons, which lift a basket, while negative numbers are represented by sandbags, which weigh it down. The tutorial includes four examples: adding positive numbers, adding negative numbers, and two examples of mixed addition. The video aims to help viewers understand the concept of adding integers by visualizing the process with a relatable model.

What model is used in the video to explain adding positives and negatives?

• Hot air balloons and weights

• Birds and nests

• Balloons and sandbags

• Kites and stones

Tags

CCSS.7.NS.A.1C

What do the balloons represent in the model?

• Negative numbers

• Fractions

• Zero

• Positive numbers

What happens to the basket when you add positive numbers?

• It disappears

• It goes down

• It stays the same

• It goes up

Tags

CCSS.7.NS.A.1C

In the first example, what is the result of adding +2 and +5?

• +10

• +5

• +7

• +3

Tags

CCSS.7.NS.A.1B

What do the sandbags represent in the model?

• Positive numbers

• Zero

• Fractions

• Negative numbers

Tags

CCSS.6.NS.C.5

In the second example, what is the result of adding -2 and -4?

• -6

• -8

• -2

• -4

Tags

CCSS.7.NS.A.1C

In the third example, what is the result of adding -7 and +3?

• -10

• -4

• +4

• +10

Tags

CCSS.7.NS.A.1C

In the fourth example, what is the result of adding +5 and -8?

• +3

• -3

• +13

• -13

Tags

CCSS.7.NS.A.1C

What is the initial position of the basket in each problem?

• +10

• 0

• -1

• +1

Tags

CCSS.7.NS.A.1B

What will the next video focus on?

• Using a different model

• Adding only positive numbers

• Adding only negative numbers

• Finding a pattern to avoid using balloons and sandbags

Tags

CCSS.7.NS.A.1B