Otley All Saints CE Primary School Blog

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Browsing Posts in Maths Challenges

I’m sure you’ve all got loads going on over the holidays but if you do get bored, then perhaps you might like to try this challenge – it’s the toughest yet!

Each number has some initials after it. Just work out what the initials mean as the numbers are the clues
For example: 7 D in a W is 7 Days in a Week.

 A good score is 12, but if you get them all right and you are the first person to post your answer in the comments box, then you will win a 2007 edition All Saints Blog Award sticker from Mr Robertson! 

26 L in the A

7 C in the R

6 W of H the E

7 S on a F P P

1000 M in a K

64 S on a C B

1066 was the B of H

28 D in F

24 H in a D

8 L on a S

52 C in a P (no J)

366 D in a L Y

93 M M to the S

1760 Y in a M (ask your gran)

10 G B H on the W

200 P for P G in M 

Good Luck – you’ll need it!

Solved!

By Bethany, Rebecca Year 4 and Dan (Beth’s brother).  Can you solve it too (without looking at the answer!)

You are all getting rather good at solving my maths problems, so I have found a challenging one for you.

What number am I?

1. I am a three digit number.
2. I am an odd number.
3. I am divisible by 5.
4. Each of my digits is different.
5. My digits add up to 8.
6. The tens digit is smaller than the hundreds
digit.
7. I am less than 300.
8. I have only one even digit.
My record for an unsolved puzzle is currently 5 days.  Can this one beat it?Good luck.  Guess what you win if you get the first correct answer in the comments section? That’s right – all the best people are wearing them – an All Saints Blog Award sticker from Mr Robertson!

Solved!

By Harry Featerstone, Year 4.  See if you can solve it too!

Tents

5 comments

Each letter is worth a number of points. The points are added up to make the total for the word. Try to work out the number of points for each letter and  then find the value of the last word.  

TEE = 4 TEN = 6  NEST = 10 

TENTS = ? 

If you want a clue, look in the comments. As always, first correct answer gets a … you guessed it, a cool All Saints Blog Award sticker from Mr Robertson! 

Solved! by Lily Walsh Year 3.  See if you can solve it too!

Cecil likes to wear red, blue and yellow clothes.

He has a red, a blue and a yellow hat;

He has a red, a blue and a yellow T-shirt;

and he has a red, a blue and a yellow pair of trousers.

How many different ways could Cecil dress? 

You’ll have to be systematic to solve this one!

As always, first correct comment gets a world-famous All Saints Blog Award sticker from Mr Robertson.

Solved!

By James Burgess Year 4.  See if you can solve it too!

A number of children are standing in a circle. They are evenly spaced and the 5th child is directly opposite the 20th child. How many children are there altogether?

First correct answer gets a cool Blog Award sticker from Mr Robertson!  Leave your answer as a comment.

Good luck!  By Conor Year 4 Otley All Saints Primary School

Solved!

By Conor Year 4 Otley All Saints Primary School.  See if you can do it too!

How many squares are there on a chess board?  You might think this is easy but are you overlooking anything?

Leave your name and answer as a comment. First correct answer gets a highly coveted All Saints Blog Award sticker from Mr Robertson! I think this one might last a while!

Solved!

by Zoe from Otley All Saints Year 4!  See if you can do it too!

Do the following sum IN YOUR HEAD.  Did you get the right answer?  Check the comments to find out!

Take 1000 and add 40 to it.
Now add another 1000.
Now add 30.  
Add another 1000.
Now add 20.
Now add another 1000.
Now add 10.
What is the Total?

I have some pencils and some jars.
If I put 4 pencils into each jar I will have one jar left over
If I put 3 pencils into each jar I will have one pencil left over
How many pencils and how many jars?

Leave your name and answer as a comment. First correct answer gets a well done sticker from Mr Robertson!

Solved!

by Cailean W from Dingwall Primary School.  See if you can do it too!

A zoo has several ostriches and several giraffes. They have 30 eyes and 44 legs. How many ostriches and how many giraffes are in the zoo?

Leave your name and answer as a comment. First correct answer gets a well done sticker from Mr Robertson!

 

Good luck!

 

Solved!

by Aisling from Otley All Saints Year 4!  See if you can do it too!

This question was taken from http://mathforum.org/ © 1994-2007 Drexel University. All rights reserved.