"Jump! Hop! Step!" is an open number line strategy for subtracting three-digit numbers. Supports Common Core standards 2.NBT.5 and 3.NBT.2, subtraction within 1000 based on place value strategies.***Check out the PREVIEW and thumbnails for a detailed view of the strategy!***This strategy requires students to first draw an open number line ending in the first number of the equation, then expand the second number into hundreds, tens, and ones to determine the number of jumps (hundreds), hops (ten