Free interactive math game: Mixed Integer Operations — With all operators. Part of the Negative Numbers category on MathKite.
Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.
Longer signed-number expressions with brackets.
Deal with the brackets first, then multiplication and division, then work through the additions and subtractions.
In (-4 + 9) x -2 the bracket gives 5, and 5 x -2 = -10.
Dropping a minus sign while copying the expression to the next line. Rewriting carefully is worth the extra second.