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How do you use prime factors to help you multiply by 18?
Presumably, the theory is that it's easier to multiply by small numbers than larger ones. If there's a number that you need multiplied by 18, multiply it by 3, then multiply that total by 3, then multiply that total by 2.
How can adding doubles help you to multiply by 2 example?
Adding doubles can help you multiply by 2 through the property of commutativity in multiplication. By adding two equal numbers together (doubles), you are essentially multiplying one of the numbers by 2. For example, 5 + 5 = 10, which is the same as 5 x 2 = 10. This strategy can simplify multiplication problems and help build a deeper understanding of the relationship between addition and multiplication.
What do fractions help with?
Fractions help with numbers that are not whole numbers.
How do you multiply if you can't do it?
You should memorize the times tables and then practice multiplying larger numbers with someone to help correct you work until you get more comfortable with it. In the mean time, use a calculator.
What are the importance of integers?
Integers help learners to count numbers and also to help in calculating numbers.
