This math topic focuses on enhancing advanced number sense through the practice of skip counting downward with missing numbers. Students engage in sequential decrement problems, where they subtract a fixed number (30, 40, or 50) from a starting point but must fill in missing intervals to continue the pattern down to a given number. Each problem provides multiple-choice answers, challenging students to identify and verify the correct sequence of decreasing quantities. This task aids in developing calculation fluency, understanding numerical patterns, and mastering subtraction operations within larger numbers.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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Skip count downwards by 40
360, 320, __, __, __, 160, 120