Jharne De and Ranjana Kumar Solutions for Chapter: Knowing Our Numbers, Exercise 7: Mental Maths

The number which is '$12$ more than $-13$' is_____.

The additive inverse of $100$ is _____.

The product of two integers with like signs is _____.

The product of two integers with unlike signs is _____.

The product of an integer and its reciprocal is _____.

The multiplicative identity of integers is _____.

The product of any integer and zero is _____.

The product of $\left(-1\right)\times \left(-3\right)\times 5$ is _____.