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Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?
Can you put these four calculations into order of difficulty? How did you decide?
Can you match these calculation methods to their visual representations?
How will you work out which numbers have been used to create this multiplication square?
It's Sahila's birthday and she is having a party. How could you answer these questions using a picture, with things, with numbers or symbols?
This task combines spatial awareness with addition and multiplication.
This challenge combines addition, multiplication, perseverance and even proof.
Look at what happens when you take a number, square it and subtract your answer. What kind of number do you get? Can you prove it?
This problem looks at how one example of your choice can show something about the general structure of multiplication.
How will you decide which way of flipping over and/or turning the grid will give you the highest total?
After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?
What is the smallest number of answers you need to reveal in order to work out the missing headers?
Here is a chance to play a version of the classic Countdown Game.
Play this game and see if you can figure out the computer's chosen number.
A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?
Use your logical-thinking skills to deduce how much Dan's crisps and ice-cream cost altogether.
In this game, you can add, subtract, multiply or divide the numbers on the dice. Which will you do so that you get to the end of the number line first?
Annie and Ben are playing a game with a calculator. What was Annie's secret number?
Find the product of the numbers on the routes from A to B. Which route has the smallest product? Which the largest?
Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?
Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
Here is a picnic that Petros and Michael are going to share equally. Can you tell us what each of them will have?
There is a clock-face where the numbers have become all mixed up. Can you find out where all the numbers have got to from these ten statements?
Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.
Use the information about Sally and her brother to find out how many children there are in the Brown family.
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
The value of the circle changes in each of the following problems. Can you discover its value in each problem?
Katie had a pack of 20 cards numbered from 1 to 20. She arranged the cards into 6 unequal piles where each pile added to the same total. What was the total and how could this be done?
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?
During the third hour after midnight the hands on a clock point in the same direction (so one hand is over the top of the other). At what time, to the nearest second, does this happen?
There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What could each of the children buy with their money?
How would you find out how many football cards Catrina has collected?
We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape. How many altogether in this 3 by 5? What happens for other sizes?
Can you arrange 5 different digits (from 0 - 9) in the cross in the way described?
How many starfish could there be on the beach, and how many children, if I can see 28 arms?
In a Magic Square all the rows, columns and diagonals add to the 'Magic Constant'. How would you change the magic constant of this square?
Suppose we allow ourselves to use three numbers less than 10 and multiply them together. How many different products can you find? How do you know you've got them all?
Well now, what would happen if we lost all the nines in our number system? Have a go at writing the numbers out in this way and have a look at the multiplications table.
Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?
If you had any number of ordinary dice, what are the possible ways of making their totals 6? What would the product of the dice be each time?
This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.