Week 15 - Warm up #65- 12/9

Front

What is a zero pair in mathematics?

Back

A zero pair consists of one positive and one negative number that cancel each other out, resulting in a sum of zero.

Front

How do you represent a negative number using counters?

Back

In a 2-color counter model, a red counter represents a negative number, while a yellow counter represents a positive number.

Front

What is an integer? Give examples.

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

Which of the following is NOT an integer: 0, -88, 2^2, 5.25?

Back

5.25 is NOT an integer because it is a decimal.

Front

Back

Front

How do you write the expression for a model with 4 negative and 1 positive counter?

Back

The expression is -4 + 1.

Front

What is the equation that represents the sum of -4 and 5?

Back

The equation is 4 - 5 = -1.

Front

What is the result of adding a negative number to a positive number?

Back

The result depends on the absolute values; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form, combining like terms and eliminating unnecessary parts.

Front

What is the difference between a positive and a negative integer?

Back

A positive integer is greater than zero, while a negative integer is less than zero.