And always check your actual answer. Subtraction is the opposite to addition. So subtraction can always be checked by adding. Check that 182 - 37 = 145 by doing the sum: 145 + 37 = 182 Look out ...

Here you will find a video about addition and subtraction. Watch this, and then test your knowledge with a short quiz before exploring the rest of the collection. This section contains videos from ...

What Can Stand in the Way of a Student's Mathematical Development? Math disabilities can arise at nearly any stage of a child's scholastic development. While very little is known about the ...

Now that you've learned to do basic math in Excel, your calculations will never slow you down again. With addition, ...

The supply of health care professionals available to provide HIV care continues to decline, even as the need for HIV care and prevention is expected to increase, reports a survey study in the ...

Before Jon McNeill was CEO at VC firm DVx Ventures, he was the president of Tesla and chief operating officer at Lyft. He helped Tesla grow its revenue run rate from $2 billion to $20 billion in ...

Worldwide, more than 33 million people are infected with HIV (the virus that causes AIDS) and nearly 14 million are already dead of the disease. To gain a perspective of this global epidemic as it ...

At Saturday Math Academy, you'll get guided help with math concepts that will help you throughout your first-year math courses. Plus breakfast! Stuck on calculus or first-year math? We've got your ...

There is a mathematical side to optical illusions. One professor studies them in hopes of creating a safer world. Man on a roof or ladder against the wall: either way, it just doesn't seem ...

Sampled students in the eighth grade across the country are tested for math and reading proficiency on the National Assessment of Educational Progress, which the U.S. Department of Education bills ...

A team of AI researchers and mathematicians affiliated with several institutions in the U.S. and the U.K. has developed a math benchmark that allows scientists to test the ability of AI systems to ...