This multiplication uses each of the digits 0 – 9 once and once only. Age 7 to 18 Ranging from kindergarten mathematics to the fringe of research this informal article paints the big picture of number in a non technical way suitable for primary teachers and older students. The highest power of 2 that divides exactly into 6! Neighbours Age 7 to 11 Challenge Level: On the same day he sowed a bean in another pot.
What happens when you enter different numbers? Counting Factors Age 11 to 14 Challenge Level: Four Go game for an adult and child. Number live Age 7 to 11 Challenge Level: Remainders Age 7 to 14 Challenge Level: Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
This article explores the use of the array to support children’s thinking around multiplication and division.
Keep adding as few pebbles as necessary to double the area. Can you find out where all the numbers have got to from rnich ten statements? Tim had nine cards each with a different number from 1 to 9 on it. Age 5 to 11 The tasks in this feature encourage learners to become fluent with times tables, but with a difference Curious Number Age 7 to 11 Challenge Level: Use an Excel to investigate division. Remove Filters Filter by resource type problems games articles general resources Lists.
Alf describes how the Gattegno chart helped a class of year olds gain an awareness of place value and of the inverse relationship between multiplication and division. Counting Factors Age 11 to 14 Challenge Level: Now add your two numbers.
Division Rules :
Elevenses Age 11 to 14 Challenge Level: My number is both a multiple of 5 and a multiple of 6. Can you use the information to find out which cards I have used?
What happens when you enter different numbers? What do the numbers shaded in blue on this hundred square have in common?
Add powers of 3 and powers of 7 and get multiples of Register for our divisoin list. What do you notice? How long could he make his peaches last for?
One block is needed to make an up-and-down staircase, with one step up and one step down. Maths for Mums and Dads. Flow Chart Age 11 to 14 Challenge Level: Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number. What could Lolla have paid for the balloon?
Sweets in a Box Age 7 to 11 Challenge Level: On the same day he sowed a bean in another pot. The highest power of 2 that divides exactly into 6!
How Odd Age 5 to 7 Challenge Level: To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
In this investigation, you are challenged to make mobile phone numbers which are easy to remember. Table Patterns Go Wild!
Suppose an operator types a US Bank check code into a machine and transposes two adjacent digits will the machine pick up every error of this type?
An example of a simple Public Key code, called the Knapsack Code is described in this article, alongside some information on its origins.