In these First Grade math worksheets, students practice subtracting whole tens (or multiple of tens) up to 100. Students can use pictures (base ten blocks) to do that, or they work with the number of tens the same way as subtracting single-digit numbers. For example, 50 - 30 becomes 5 tens - 3 tens, which is 2 tens. (50 - 30 = 20)
Have a look at this video if you need to learn how to quickly add tens and subtract tens using a shortcut.
Click on the following worksheet to get a printable pdf document.
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