Counting by Multiplication
Explanation
Counting by multiplication involves counting by a certain number repeatedly. It is a useful skill that allows us to quickly determine the total value of a set of items without having to count each individual item. This method is particularly helpful when dealing with large quantities or when performing repeated addition.
Example
If we want to count by multiplication of 3, we would start with 3 and then continue to add 3 to the previous number to get the next number in the sequence. This would look like: 3, 6, 9, 12, 15, 18, 21, and so on.
Study Guide
Here are some key points to remember when counting by multiplication:
- Start with the given number.
- Add the given number to the previous number to find the next number.
- Continue this process to create a sequence of numbers.
It's important to practice counting by multiplication with different numbers in order to build fluency and understanding of the concept.
[Counting By Multiplication] Related Worksheets and Study Guides:
.◂Math Worksheets and Study Guides Eighth Grade. Real numbers
Study Guide
Real numbers 
Worksheet/Answer key
Real numbers Worksheet/Answer key
Real numbers Worksheet/Answer key
Real numbers Worksheet/Answer key
Real numbers
Worksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
The Number System
Know that there are numbers that are not rational, and approximate them by rational numbers.
Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number. [8-NS1]
Expressions and Equations
Work with radicals and integer exponents.
Use square root and cube root symbols to represent solutions to equations of the form x^2 = p and x^3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational. [8-EE2]