Operations with signed numbers

Front

What is the result when multiplying two negative numbers?

Back

The result is positive.

Front

What is the sum of 15 and -9?

Back

The sum is 6.

Front

What is -5.7 + 0.9?

Back

The result is -4.8.

Front

What is the result of -7 - (-6)?

Back

The result is -1.

Front

What is -3 - 9?

Back

The result is -12.

Front

What happens to the sign of the product when multiplying a negative number by a positive number?

Back

The product is negative.

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; if the negative number is larger, the result is negative.

Front

How do you subtract a negative number from another number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of -10 + 4?

Back

The result is -6.

Front

What is the result of 8 - 15?

Back

The result is -7.