7th Grade Challenging Math

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On this site,
Both x and * are used as multiplication signs.
Both / and  ÷ are used as division signs.

7-1)  The diameter of the circles is 2 centimeters. Calculate the area in purple.

7-2)   The area of the square is 100 square centimeters. What is the area of the circle?

7-3) The diameter of all 4 circles is 3 inches. What is the red shaded area in square inches?

7-4)  A half circle overlaps with a square. The diameter of the half circle is 12 inches. What is the area of the hatched/striped parts?

7-5)  Which fraction is the smallest?

More challenging math problems for seventh grade:
1-5   6-10   11-15   16-20   21-25   26-30   31-35  36-40  41-45  46-50   51-60  61-70
71-80  81-90