The phrase "adding a small number" is correct and usable in written English.
It can be used when discussing mathematical operations or adjustments involving numbers, particularly in contexts where a minor increase is relevant.
Example: "In order to balance the equation, we will be adding a small number to the total."
Alternatives: "increasing by a minor amount" or "including a slight addition".
The stability is achieved by adding a small number of additional subcell nodes near the boundaries at experimentally determined locations.
Just two-and-a-half weeks ago, Bloomberg LP announced that it would begin adding a small number of Twitter accounts to its financial information terminals, which are ubiquitous in Wall Street's financial offices.
It is shown that by adding a small number of species and reactions to the reduced mechanism, results are improved, leading to better agreement between the detailed and the short mechanism in its extended version.
In other words, is it possible that adding a small number of self-driving cars to a system dominated by human drivers could make things less safe for the human drivers and passengers?
It can be seen from Figure 6 that with scheme 1, adding a small number of nodes boosts the detection performance significantly compared to the performance with all static network.
Two British film industry officials requested that the film be shot in the United Kingdom, offering their assistance in securing filming locations, the use of Leavesden Film Studios, as well as changing the UK's child labour laws (adding a small number of working hours per week and making the timing of on-set classes more flexible).
By contrast, Oklahoma has added a small number of jobs because its manufacturing base is focused on heavy machinery and other industries less damaged by the slow economy.
They added: "A small number of people who hold large numbers of domains for sale to the secondary market will be most impacted by this".
He added: "A small number of relatively junior staff were left to do the job at the time, a shocking reflection of the FSA's lack of awareness".
As the US adds a small number of jobs to a slowly-recovering economy, the number of people like Jeffers who are finding themselves out of work at a manufacturing plant is still significant.
He added: "A small number of British Muslims have been brainwashed by so-called preachers, from western values and convinced that they must kill to create a global caliphate".
