6 Worksheets to Practice Subtracting within 100. Students will subtract 2, two-digit numbers using number line. 5 problems per page, each with its own (blank) open number line.
The open number line gives students the flexibility to start at the smaller number and "add up" to solve the equation or to "subtract in parts" or to "subtract by place value" using the open number line as a scaffold.
Perfect for grades 2, 3, or 4 working on 2-digit subtraction.
Graphics courtesy of Graphics from the Pond.