Fourth Grade Challenging Math
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4-61) The area of a square is 64. What is
the perimeter of the square?
4-62) The perimeter of a square is 36. What
is the area of the square?
4-63) The area of a rectangle
is 100. One side is 5. What is the perimeter of the rectangle?
4-64) The perimeter of a rectangle is 40
inches. One side is 15 inches. What is the area of the rectangle?
4-65) A monkey ordered a pizza on Jan. 1st. On Jan.
1st he ate half of the pizza. For the next five days, each day he ate half of
what was left of the pizza. How much of the pizza was left after six days?
4-66) A son is 10 years old. His dad
is 3 times his age. After 10 years, what will be the ratio of the son's age to dad's
age?
4-67) A son is 10 yrs old. His mother is 4 times
his age. After how many years will the mother's age be twice the sons age?
4-68) There are 21 kids including
Sam standing in a line. The number of kids behind Sam is 4 times the number of
kids ahead of Sam. What is Sam's position in the line?
4-69) There are 4 kids in a line: Zach, Mario,
Max and Ken. Max is not the first. Mario is not the last. Max is standing
directly ahead of Ken. List the order from the first to the last.
4-70) What is 2 * 2 - 2 + 2 * 2 - 2 + 2?
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 | 