Fourth Grade Challenging Math -------------------------------------------------------------------------
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 |