MATH BRAIN TEASERS 5th Grade

Question 1

Della buys 7 boxes of straws. Each box has 135 straws. How many straws did Della buy?

Accepted Answer

945

Question 2

I am an odd number. Take away one letter and I become even. What number am I?

Accepted Answer

Seven

Question 3

How many days are in a non-leap year?

Accepted Answer

365

Question 4

Sandy is 5 years older than her brother. If the sum of their ages is 31, how old is Sandy?

Accepted Answer

18

Question 5

If tomorrow is Wednesday, what is the day before today?

Accepted Answer

Monday

Question 6

What is the 6th number in the sequence.... 17, 18, 21, 26, ...

Accepted Answer

42

Question 7

What weighs more: a pound of iron or a pound of feathers?

Accepted Answer

weigh the same

Question 8

How many eggs are in a baker's dozen?

Accepted Answer

13

Question 9

Five cars have how many wheels altogether?

Accepted Answer

20

Question 10

How old am I if 400 reduced by 2 times my age is 244?

Accepted Answer

78

Question 11

A book has 150 pages. Every page is numbered. How many digits are used?

Accepted Answer

342

Question 12

Which 3 numbers have the same answer whether they’re added or multiplied together?

Accepted Answer

1,2,3

Questions 12