
Add and subtract through 1,000,000 | Arithmetic | Math | Khan Academy
When it comes to adding and subtracting, six figures is no sweat with this unit! From one to one million, we'll take you through everything you need to know.
Basic Addition | Arithmetic (video) | Khan Academy
Let's learn about basic addition by starting with simple examples and moving on to more difficult problems. Two methods for solving these problems are demonstrated: drawing circles to represent …
Adding decimals (article) | Add decimals | Khan Academy
Start with simple problems like 0.2 + 0.4 and build to more complex problems like 10.3 + 36.75.
Adding two digit numbers on a number line - Khan Academy
Let's add one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16 and we get right over there. We're very lucky that our number line just happened to have the right number of marks …
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Estimating decimal addition (video) | Khan Academy
Learn all about how to estimate when adding decimals. Practice rounding to the nearest whole number and how this can help us get a close approximation of the actual answer.
Breaking apart 3-digit addition problems (video) | Khan Academy
So that's why we wouldn't pick either of those. Let's do another one of these, or related type of problem. Which addition problem is the same as 525 + 379? Let's just break it down.
Free Math Worksheets - Khan Academy Blog
Mar 15, 2021 · Addition, subtraction, and estimation Multiply by 1-digit numbers Multiply by 2-digit numbers Division Factors, multiples and patterns Equivalent fractions and comparing fractions Add …
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Introduction to adding decimals: tenths (video) | Khan Academy
This video introduces the concept of adding decimals, specifically tenths. It explains how to visualize and calculate the addition of tenths using both numerical and visual methods, reinforcing the …