Maths tips and tricks

Mental math is an important skill for students of all ages. Applying mental math strategies can help you work faster and more accurately without a calculator. In this article, we will list 9 strategies that will help you improve your skills. We’ll also include some tips and tricks to make mental math easier and faster! From my 14+ years of teaching experience, I have observed that there are many students in high school that rely heavily on their calculators instead of using these mental math strategies. By applying these tips and tricks they can work faster and apply these strategies to other topics such as Algebra and What are mental math strategies? Mental math strategies are simply methods or techniques that you can use to do math more quickly and accurately using your brain. These strategies can be used for addition, subtraction, multiplication, division, and more! Here are my favorite mental math strategies that you can use: 1. Bridge to ten Bridge to ten is when we count on to the next 10 and then add what is left. Having knowledge of ‘ Source: Rocking Dan Teaching Man YouTube The Bridge to ten strategy is great for simple additions such as 8+6. You can change this to 8+ 2 + 4. It is also great for questions such as 47 + 8. Which can be bridged to ten as follows: 47 + 3 + 5. Number lines are a helpful tool for this strategy. 2. Commutative Property This mental math strategy can be used with addition and multiplication. It states that you can change the order of the n...

No matter your age or grade level, math can be tough at times. Whether you’re learning geometry, division, or fractions, or a parent teaching your kid their times tables, math always seems to find a way to trip students up. Have no fear however, because we have compiled the largest list of math hacks on the Internet. We’ve scoured all the blogs, YouTube videos, textbooks, and more to deliver the 20 most useful math hacks and tricks to help you tackle even the toughest problems and help save you time in math class. MULTIPLICATION TRICKS Multiplication by 4 made easy Multiplying by 4 is easy when you know this simple trick! All you have to do is take the number you are multiplying by 4, and multiply by 2. Then, multiply it by 2 again. That’s it, that’s the math hack! Multiplying 5 times any even number Multiplying an even number by 5 is a breeze with this hack! Multiplying by 6 Want to multiply 6 by an even number? Check out an easy hack to make it simple! Multiply numbers by eleven Eleven can be a tricky number to multiply, but with this math hack you'll be there in no time and will enjoy math class! Multiplication From 10-19 Wondering how to simplify multiplication of two numbers both between 10 and 19? Check this out: This is how Japanese children learn to multiply! The Japanese teach their kids to multiply with this math trick in math class! Multiplying numbers that end in zero Learn how to multiply numbers that end in zero FRACTIONS TRICKS Butterfly method to add and su...

Nicole Fornabaio/rd.com Making math easy Juggling numbers isn’t everyone’s forte—even though math manages to sneak its way into our everyday lives. Fortunately, these easy-to-remember math tricks will be your best friend next time you’re faced with a tricky equation and don’t have a calculator handy. Also, don’t miss these Nicole Fornabaio/rd.com Finding a 20 percent tip Did you enjoy your dining service? Leave your server a 20 percent tip with this easy math trick. According to Kate Snow, author of The Math Facts That Stick series, all you have to do is divide your check amount by five. For example, if your check comes to $85, divide that by five and your 20 percent tip will be $17. For more on tipping, here’s our guide on Nicole Fornabaio/rd.com Multiplying two-digit numbers by 11 Multiplying two-digit numbers by 11 is a breeze with this clever trick from math.hmc.edu. Simply add the two digits together and place the sum in the middle. For example, if you’re multiplying 25 by 11, add the two and five together to get seven, and place the seven between those two numbers to find the final answer, which is 275. Nicole Fornabaio/rd.com Doubling To double a large number, multiply each individual number by two and add them together. Snow suggests starting from the left to make it easier to keep track of the numbers. “For example, to double 147, start with the hundreds place. Double 100 is 200. Double 40 is 80. Double seven is 14. Add them all up (200 plus 80 plus 14) and you ...