Other tags that relate to Sitting Round the Party Tables
Generalising. Investigations. Factors and multiples. Visualising. Games. Working systematically. Counting. Multiplication & division. Combinations. Addition & subtraction.There are 218 results
Broad Topics > Calculations and Numerical Methods > Addition & subtraction
The Add and Take-away Path
Age 5 to 7
Challenge Level
Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
Neighbours
Age 7 to 11
Challenge Level
In a square in which the houses are evenly spaced, numbers 3 and 10 are opposite each other. What is the smallest and what is the largest possible number of houses in the square?
Mrs Beeswax
Age 5 to 7
Challenge Level
In how many ways could Mrs Beeswax put ten coins into her three puddings so that each pudding ended up with at least two coins?
Page Numbers
Age 7 to 11 Short
Challenge Level
Exactly 195 digits have been used to number the pages in a book. How many pages does the book have?
Prison Cells
Age 7 to 11
Challenge Level
There are 78 prisoners in a square cell block of twelve cells. The clever prison warder arranged them so there were 25 along each wall of the prison block. How did he do it?
All Seated
Age 7 to 11
Challenge Level
Look carefully at the numbers. What do you notice? Can you make another square using the numbers 1 to 16, that displays the same properties?
Painting Possibilities
Age 7 to 11
Challenge Level
This task, written for the National Young Mathematicians' Award 2016, involves open-topped boxes made with interlocking cubes. Explore the number of units of paint that are needed to cover the boxes. . . .
Dart Target
Age 7 to 11
Challenge Level
This task, written for the National Young Mathematicians' Award 2016, invites you to explore the different combinations of scores that you might get on these dart boards.
Journeys in Numberland
Age 7 to 11
Challenge Level
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
Bean Bags for Bernard's Bag
Age 7 to 11
Challenge Level
How could you put eight beanbags in the hoops so that there are four in the blue hoop, five in the red and six in the yellow? Can you find all the ways of doing this?
It's All about 64
Age 7 to 11
Challenge Level
Write the numbers up to 64 in an interesting way so that the shape they make at the end is interesting, different, more exciting ... than just a square.
Sort Them Out (1)
Age 5 to 7
Challenge Level
Can you each work out the number on your card? What do you notice? How could you sort the cards?
A-magical Number Maze
Age 7 to 11
Challenge Level
This magic square has operations written in it, to make it into a maze. Start wherever you like, go through every cell and go out a total of 15!
Here to There 1 2 3
Age 5 to 7
Challenge Level
Move from the START to the FINISH by moving across or down to the next square. Can you find a route to make these totals?
Zargon Glasses
Age 7 to 11
Challenge Level
Zumf makes spectacles for the residents of the planet Zargon, who have either 3 eyes or 4 eyes. How many lenses will Zumf need to make all the different orders for 9 families?
Polo Square
Age 7 to 11
Challenge Level
Arrange eight of the numbers between 1 and 9 in the Polo Square below so that each side adds to the same total.
Robot Monsters
Age 5 to 7
Challenge Level
Use these head, body and leg pieces to make Robot Monsters which are different heights.
Six Is the Sum
Age 7 to 11
Challenge Level
What do the digits in the number fifteen add up to? How many other numbers have digits with the same total but no zeros?
Arranging the Tables
Age 7 to 11
Challenge Level
There are 44 people coming to a dinner party. There are 15 square tables that seat 4 people. Find a way to seat the 44 people using all 15 tables, with no empty places.
Pouring the Punch Drink
Age 7 to 11
Challenge Level
There are 4 jugs which hold 9 litres, 7 litres, 4 litres and 2 litres. Find a way to pour 9 litres of drink from one jug to another until you are left with exactly 3 litres in three of the jugs.
What's in a Name?
Age 5 to 7
Challenge Level
What do you notice about these squares of numbers? What is the same? What is different?
Open Squares
Age 7 to 11
Challenge Level
This task, written for the National Young Mathematicians' Award 2016, focuses on 'open squares'. What would the next five open squares look like?
Month Mania
Age 5 to 11
Challenge Level
Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?
Big Dog, Little Dog
Age 5 to 7
Challenge Level
Woof is a big dog. Yap is a little dog. Emma has 16 dog biscuits to give to the two dogs. She gave Woof 4 more biscuits than Yap. How many biscuits did each dog get?
Consecutive Numbers
Age 7 to 14
Challenge Level
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Hubble, Bubble
Age 7 to 11
Challenge Level
Winifred Wytsh bought a box each of jelly babies, milk jelly bears, yellow jelly bees and jelly belly beans. In how many different ways could she make a jolly jelly feast with 32 legs?
On Target
Age 7 to 11
Challenge Level
You have 5 darts and your target score is 44. How many different ways could you score 44?
Dice and Spinner Numbers
Age 7 to 11
Challenge Level
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?
Train Carriages
Age 5 to 11
Challenge Level
Suppose there is a train with 24 carriages which are going to be put together to make up some new trains. Can you find all the ways that this can be done?
Build it up More
Age 7 to 11
Challenge Level
This task follows on from Build it Up and takes the ideas into three dimensions!
Routes 1 and 5
Age 5 to 7
Challenge Level
Find your way through the grid starting at 2 and following these operations. What number do you end on?
First Connect Three for Two
Age 7 to 11
Challenge Level
First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
Rabbits in the Pen
Age 7 to 11
Challenge Level
Using the statements, can you work out how many of each type of rabbit there are in these pens?
X Is 5 Squares
Age 7 to 11
Challenge Level
Can you arrange 5 different digits (from 0 - 9) in the cross in the way described?
How Old?
Age 7 to 11
Challenge Level
Cherri, Saxon, Mel and Paul are friends. They are all different ages. Can you find out the age of each friend using the information?
Tug of War
Age 5 to 7
Challenge Level
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
Sticky Dice
Age 7 to 11
Challenge Level
Throughout these challenges, the touching faces of any adjacent dice must have the same number. Can you find a way of making the total on the top come to each number from 11 to 18 inclusive?
The Dice Train
Age 7 to 11
Challenge Level
This dice train has been made using specific rules. How many different trains can you make?
Adding Plus
Age 7 to 11
Challenge Level
Can you put plus signs in so this is true? 1 2 3 4 5 6 7 8 9 = 99 How many ways can you do it?
Sums and Differences 2
Age 7 to 11
Challenge Level
Find the sum and difference between a pair of two-digit numbers. Now find the sum and difference between the sum and difference! What happens?
Two Egg Timers
Age 7 to 11
Challenge Level
You have two egg timers. One takes 4 minutes exactly to empty and the other takes 7 minutes. What times in whole minutes can you measure and how?
Sums and Differences 1
Age 7 to 11
Challenge Level
This challenge focuses on finding the sum and difference of pairs of two-digit numbers.
Starfish Spotting
Age 5 to 7
Challenge Level
How many starfish could there be on the beach, and how many children, if I can see 28 arms?
Number Juggle
Age 7 to 11
Challenge Level
Fill in the missing numbers so that adding each pair of corner numbers gives you the number between them (in the box).
Function Machines
Age 7 to 11
Challenge Level
If the numbers 5, 7 and 4 go into this function machine, what numbers will come out?
The Money Maze
Age 7 to 11
Challenge Level
Go through the maze, collecting and losing your money as you go. Which route gives you the highest return? And the lowest?
Oh! Harry!
Age 7 to 11
Challenge Level
A group of children are using measuring cylinders but they lose the labels. Can you help relabel them?
Caterpillars
Age 5 to 7
Challenge Level
These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?
Exploring Wild & Wonderful Number Patterns
Age 7 to 11
Challenge Level
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.
NRICH is part of the family of activities in the Millennium Mathematics Project.