Transcutaneous electrical nerve stimulation (TENS) is a technique that applies electrical current to nerves and muscles for the relief of pain. Before you ask, yes, some of these devices are FDA ...

TENS machines are certainly worth trying if you are hoping to use a form of drug-free pain relief during your labour. Ideally, you'll start practising using your TENS around 37 weeks into your ...

Ah, don't worry little fella. Now we're going to need something even bigger. Let’s see how many tens and ones are in each number. We can use a place value chart to help us. You can also use a ...

Any two-digit number can be shown using tens and ones. For example, the number 34 can be divided into three lots of ten and four lots of one. JavaScript is required to view this activity.