Inside this book you'll discover 40 math tricks to make math easy, fast and fun The secret to speed math is all about which technique you use. Knowing this will enable you to do seemingly impossible calculations in your head whilst also being faster than a calculator suitable for kids and adults
Description:
Inside this book you'll discover 40 math tricks to make math easy, fast and fun The secret to speed math is all about which technique you use. Knowing this will enable you to do seemingly impossible calculations in your head whilst also being faster than a calculator suitable for kids and adults