Stingrays and zebra mbuna fish can perform simple addition and subtraction involving numbers between 1 and 5. Several studies have shown that fish can tell the difference between higher and lower ...

Three years ago, a French-Australian team of scientists caused a sensation by demonstrating that bees could add and subtract small numbers. Bees and their tiny brains entered an exclusive club ...

Knowledge of converting numbers into and from standard form will be useful before looking at calculations with standard index form. Back to top How to add and subtract numbers in standard form, with ...