7 years ago I was 7 years old 7 years later
Riddle: 7 years ago I was 7 years old 7 years later. How old am I?
Maths Riddles
These maths riddles with answers turn numbers into puzzles. Some need a quick calculation, others hide a trick that has nothing to do with sums at all. They’re great for students, teachers and anyone who wants to make maths more fun.
Try How Many 9’s Are There Between 1 and 100?, When I Take Five and Add Six, I Get Eleven or the How Many Holes in the Skirt Riddle. Keep a pen and paper nearby!
Enjoy number puzzles? You’ll love our logic riddles and tricky riddles too.
When Is 1500 Plus 20 And 1600 Minus 40 The Same Thing?
Riddle: When is 1500 plus 20 and 1600 minus 40 the same thing?
When I Take Five And Add Six, I Get Eleven
Riddle: When I take five and add six, I get eleven, but when I take six and add seven, I get one. What am I?
I Had 13 Pounds Riddle
Riddle: I had £13.00 pounds. My mom gave me £10.00 pounds while my dad gave me £30.00 pounds. My aunt and uncle gave me £100.00 pounds. I had another £5.00 pounds. How much did I have?
I Enter the Garden Riddle
Riddle: If you get this, you are a critical thinker. I enter the garden. There are 34 people in the backyard. You kill 30. How many people are in the garden?
Maths Riddles FAQ
Are maths riddles good for kids?
Yes. They make children practise counting, adding and thinking about numbers without it feeling like homework.
How can teachers use maths riddles?
Use one as a lesson starter, a homework bonus or a team challenge. Asking pupils to explain their answer builds reasoning skills too.
What if I get the answer wrong?
That’s part of the fun! Read the explanation, find where the trick was, and try the next one. You’ll soon start spotting the patterns.