一个帮助小学生画一个很棒的外星人的任务卡!
Use a range of addition and subtraction strategies to solve twenty single-digit word problems.
Use a range of addition and subtraction strategies to solve twenty word problems that contain numbers 10–50.
Practice solving 1- and 2-step word problems by adding and subtracting 2-digit numbers with this set of 16 task cards.
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