This requires an algorithm: students are taught to stack one number atop another and multiply each digit of the bottom number ...

The fraction may be simplified when the numerator and denominator have a common factor greater than one. Units are often referred to as ones. Eg, 4∙2 has 4 units and 2 tenths, or you could say 4∙2 has ...

25⁄1000 can be simplified by dividing the numerator (25) and the denominator (1000) by their HCF (25). 2∙5% is 1⁄40 as a fraction. Test your comparing percentages, fractions and decimals skills with ...

Learn Math with NASA Science Whether you’re an educator or an independent learner, the following will help you find math learning resources from NASA Science! These sites offer ready-to-use activities ...