Beat the butter and sugar together and slowly add the eggs.
She's added a Picasso to her collection.
When we have [a] special day we also cook manto, which is made from meat, vegetables [and] bread. You must [pour some mint juice on top] and to be more delic[ious], you must add chili. (Skills for Life (Entry 2); A2; Others)
If you add three and four you get seven.
The restaurant will add 10% to your bill for service.
My maths teacher is going to give me 5 marks which will be added [to] my exam [result]. (Key English Test; A2; Hindi)
She was sad, she said, but added that she felt she had made the right decision.
The guide told us they called [it] Swan Lake because there are lots of swans and added that the swans come from all over the country. (Preliminary English Test; B1; Turkish)
To add insult to injury, we had to pay for the damage!
To add insult to injury, such an approach often turns out to be counterproductive. (Certificate of Proficiency in English; C2; Polish)
Her colleagues' laughter only added to her embarrassment.
To add to the bitterness, I had my right hand broken. (First Certificate in English; B2; Polish)
If you add those four figures up, it comes to over £500.
I'm not very good at adding up!