Fourth Grade Challenging Math
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4-51)  Find the sequence and fill in the blanks

13, 31, 24, 42, 35, 53, ___, ___, 57, 75

4-52)  Find the sequence and fill in the blanks

1, 2, 3, 6, 11, 20, __, 68

4-53)  How many rectangles are here?

4-54)  A rectangle has a perimeter of 60 cm and length of 20 cm. What is the area of this triangle?

4-55) If Mary reads 2.1 pages per minute, how many pages does she read in 1.5 hours?

4-56) Matt starts to read a book on January 1st. If he reads 11.5 pages a day, how many pages would  he have read by the last day of January of the same year?

4-57) The volume of a cube is 27 cubic centimeters. What is the surface area of the cube?

4-58) List all cubes of numbers from 1-6

4-59) The average of 3 numbers is 50. A 4th number is added to the list. The new average is now 100. What is the 4th number?

4-60) The average of 3 numbers is 20. A 4th number is added to the list. The 4th number is 40. What is the new average (of all 4 numbers)?

More math problems for fourth 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