Adding Integers with Models

Front

What is the result of adding a positive integer and a negative integer?

Back

The result can be found by subtracting the absolute value of the negative integer from the positive integer.

Front

What does the expression 2 + -4 represent?

Back

It represents adding 2 and subtracting 4, resulting in -2.

Front

How do you represent a temperature drop of 30 degrees from 15 degrees?

Back

The expression is 15 + (-30), which equals -15 degrees.

Front

What does a number line show when moving from 3 to 5?

Back

It shows the addition of 2, represented as 3 + 2.

Front

What is the equation for adding 15 and -25?

Back

The equation is 15 + -25 = -10.

Front

What does the color yellow represent in the tile model?

Back

Yellow represents positive integers.

Front

What is the sum of 3 and 2?

Back

The sum is 3 + 2 = 5.

Front

What is the result of adding two negative integers, -3 and -2?

Back

The result is -3 + -2 = -5.

Front

How can you express the addition of two integers using a model?

Back

You can use tiles or counters to visually represent positive and negative integers.

Front

What is the principle behind adding integers with different signs?

Back

You subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.