Speaker: Not all numbers are whole numbers. Decimals are numbers that are between two whole numbers. So 1.4 is between 1 and 2. A decimal that starts with a 0 before the decimal point is less than 1.

To multiply \(23.7\) by \(4\) without using a calculator, you can set it out like this: One decimal place is used in the calculation therefore the solution should also contain one decimal place.

Stian Lydersen, PhD, professor of medical statistics at the Regional Centre for Child and Youth Mental Health and Child Welfare, Department of Mental Health, Norwegian University of Science and ...