Sam makes 5 rows of 3 shells and adds 4 more at the end. How many shells are there in all?
19 shells.
5 x 3 = 15, and 15 + 4 = 19.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
More math riddles
Max gets 7 sleds on Monday and 6 sleds on Tuesday, then gives away 4. How many sleds are left?
Ben makes 5 rows of 4 desks and adds 3 more at the end. How many desks are there in all?
Eli has 11 fireworks. Ben has twice as many. How many fireworks do they have together?
Eli has 6 pumpkins and finds 7 more. How many pumpkins does Eli have now?
Lily makes 4 rows of 3 fireworks and adds 2 more at the end. How many fireworks are there in all?
Half of the 12 flowers on the table are taken away. How many flowers are left on the table?