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Write the Equation: Adding Within 100 on an Open Number Line
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Description
This math worksheet is an excellent way to practice two-digit addition within 100 using open number lines. The worksheet scaffolds the practice for learners by highlighting the first and last numbers on the number line and illustrating the number line jumps of tens and ones used to reach them. Students will use the information provided on the open number line to complete each part of the equation for each of the four problems. The worksheet starts by asking learners to add two-digit multiples of 10 to a two-digit number and then gradually progresses to equations where two two-digit numbers are being added. For additional practice using this addition strategy, consider checking out the "Open Number Line Addition Within 100: Write the Equation #1" worksheet.
