Fourth Grade Challenging Math 
471)
(56
÷
7) x 7  8 + (9864  9864) x 5 + 4
472) The
sum of Jack and Jill's age is 48 years. Jack is twice Jill's
age. How old are they?
473) What is the square of 11, 12, 13,
14, 15, and 16?
474) Fill in the blanks with a number to
make the equation work
a)
46 x ____ = 138
b)
35 x ____ = 210
c)
12 x ____ = 108
475) 44 people need to cross a
river. They have large boats that can take 6 people each, and small boats that
can take 4 people each. Find a arrangement so that there are no empty seats on
the boats. How many different arrangements can you find?
476)
Smart multiplication
(A) 565 x 9
(B) 482 x 9
477) How many hours and minutes are there between 5:15 am and 10:23
pm in the same day?
478)
What is the least positive number divisible by 3, 4, 5, and 6?
479)
What is the least positive number divisible by 2, 5, and 7?
480) How many multiples of 13 are
between1 and 100?
More math problems for fourth grade:
15
610
1115
1620
2125
2630
3135
36 40
4145 4650
5160
6170
7180
8190
