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Practice Adding Three-Digit Numbers on an Open Number Line
How comfortable are your students with three-digit addition on a number line? Find out in this engaging math worksheet! As third graders read through different addition problems, they will practice adding three-digit numbers on an open number line. That means they will have to fill in the number line on their own! As a bonus activity, have students write their own addends and pass their worksheets to a partner for them to solve.