1. Subtract Multiples of 100
Practice subtracting a multiple of 100 from another using concept of place value. The key idea is visualize this as subtracting bundles of 100. For example, 300 - 200 = 100 can be thought of as 3 hundreds - 2 hundreds = 1 hundred. This worksheet contains problems on subtracting hundreds using models (base 10 blocks) followed by some direct subtraction.
Common Core Alignment
2.NBT.7Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.