Learning to add and subtract hundreds, tens, and ones makes working with numbers much easier! When we add or subtract by hundreds, tens, or ones, we focus on just one place value at a time. For example, adding 100 to 250 is simple because we only change the hundreds place, giving us 350. Adding or subtracting by tens or ones works the same way, letting us change numbers step-by-step and keep things clear.
Let’s say you have 432, and you want to add 10. Since we're adding to the tens place, we get 442. Or, if we subtract 1, we change the ones place to get 431. By practicing this way, you’ll learn how place values work together, making math smoother and faster. Download our free guide to see more examples and try out adding and subtracting hundreds, tens, and ones on your own!
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