Decimals

15 Articles

  • Published on
    How to add decimal numbers? The sum of numbers is when you add them together, a way to find out how many things you have in total. Adding decimal numbers is just like adding whole numbers, but with a little extra attention to the decimal point.
  • Published on
    We use the number 10 for counting things. Imagine each finger represents one number, like 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. When we run out of fingers to represent a number, we add another set of 10 fingers and start counting all over again. This system of counting is called the decimal system.
  • Published on
    Division is a way to find out how many times one number can fit into another number. Dividing decimal numbers is just like dividing whole numbers, but with a little extra attention to the decimal point.
  • Published on
    When you round a number, there is always a small difference, or error, between the rounded number and the actual number. Error estimating is a way to find out how much the rounded number is different from the actual number.
  • Published on
    Multiplying decimals is just like multiplying whole numbers, but with an extra step at the end: You can do it like this: 1) Line up the decimal points. 2) Multiply the numbers. 3) Put the decimal point in the answer. If you have a total of two decimal places, we put the decimal point in the answer directly over two spaces from the right.
  • Published on
    Decimal sorting is a way of arranging numbers in order from smallest to largest or largest to smallest. To sort decimal numbers from smallest to largest, you would start with the first two numbers and compare them.
  • Published on
    Fraction sorting is a way of arranging fractions in order from smallest to largest or largest to smallest. It is important to pay attention to the numerator and denominator of each fraction when sorting fractions.
  • Published on
    A repeating decimal is a type of decimal number that has a pattern of digits that repeats over and over again. Repeating decimals in math are a way to represent numbers, especially when the pattern of digits is easy to see and understand. They can be easily converted into fractions.
  • Published on
    Scientific notation is a way to write very large or very small numbers in a simpler and more compact form. Scientific notation is used in many different fields, including physics, chemistry, and biology, to help simplify and communicate complex numbers.
  • Published on
    Subtracting numbers means finding out how much less one number is than another number. Subtracting decimal numbers is just like subtracting whole numbers, but with a little extra attention to the decimal point.