Quick Calculation Tips by i Math

Quick Calculation Tips by i Math

Feeling frustrated with math problems? Drowning in decimals and tripping over fractions? Don’t worry, you’re not alone! But what if we told you there are some clever tricks that can make calculations a breeze? At iMath, we’re all about making math fun and accessible. So, we’re here to share some of our favorite quick calculation tips to help you conquer those equations and become a math whiz!

Multiplication Magic:

  • Multiply by 5? Easy! Just halve the number you want to multiply by 5 and add a zero to the end. For example, 12 x 5 = (12/2) + 0 = 60.
  • Multiply by 9? No sweat! Here’s a two-step trick: 1. Multiply the first digit of your number by 1 more than the second digit. 2. Add the original number to the product from step 1. Let’s see it in action: 27 x 9 = (2 x (1 + 7)) + 27 = 18 + 27 = 45.

Division Dilemmas? Not anymore!

  • Dividing by 10? Move a decimal! Simply move the decimal point in your number one place to the left. For instance, 32.5 / 10 = 3.25.

Fraction Frenzy?

  • Simplifying fractions? Look for common factors! The greatest common factor (GCF) is the largest number that divides evenly into both the numerator and denominator of your fraction. Dividing both the top and bottom by the GCF simplifies the fraction. For example, 12/18 can be simplified to 2/3 because 6 is the GCF of 12 and 18.

Bonus Tip: Estimation is your friend!

Before you dive into a complex calculation, try estimating the answer. This will help you check your work and avoid getting bogged down in unnecessary calculations.

Remember, practice makes perfect! The more you use these quick calculation tips, the more comfortable and confident you’ll become with math.

Ready to take your math skills to the next level? iMath offers a variety of engaging courses and resources to help you master even the trickiest math concepts. Visit our website today and unlock your math potential!

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