Calculators’ effectiveness in mathematics classes, long a source of debate, depends in large measure on students’ pre-existing knowledge of basic math, a recent study found. Researchers who examined ...

Save guides, add subjects and pick up where you left off with your BBC account. Napier’s method of multiplication is a method used to multiply large numbers when you do not have a calculator. Draw a 2 ...

Napier’s method of multiplication is a method used to multiply large numbers when you do not have a calculator. Draw a 2 by 2 grid to multiply a 2-digit number by another 2-digit number. Label the ...