Arithmetic Grade Five
Lesson Four: Subtraction Review
Next you will do the real timed quiz that gets recorded for this lesson.
Concentrate on answering quickly and accurately.
(Remember that you can save time by using the
Tab key to move from one input cell to another instead of using the mouse.)
The other practice timed quizzes where only 60 seconds long. This next one
will be 100 seconds long and you must score at least 20 correct in order to
pass it. Good luck!
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