Resources tagged with Divisibility similar to That Number Square!:
Other tags that relate to That Number Square!
Factors and multiples. Video. Multiplication & division. Working systematically. Addition & subtraction. Reading and writing numbers. Place value. Representing. Comparing and Ordering numbers. Number - generally.There are 8 results
Broad Topics > Numbers and the Number System > Divisibility
Gran, How Old Are You?
Stage: 2 Challenge Level: 
When Charlie asked his grandmother how old she is, he didn't get a straightforward reply! Can you work out how old she is?
Curious Number
Stage: 2 Challenge Level:
Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?
Division Rules
Stage: 2 Challenge Level:
This challenge encourages you to explore dividing a three-digit number by a single-digit number.
Book Codes
Stage: 2 Challenge Level:
Look on the back of any modern book and you will find an ISBN code. Take this code and calculate this sum in the way shown. Can you see what the answers always have in common?
Neighbours
Stage: 2 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?
Digital Roots
Stage: 2 and 3
In this article for teachers, Bernard Bagnall describes how to find digital roots and suggests that they can be worth exploring when confronted by a sequence of numbers.
The Remainders Game
Stage: 2 and 3 Challenge Level:
A game that tests your understanding of remainders.
Share Bears
Stage: 1 Challenge Level:
Yasmin and Zach have some bears to share. Which numbers of bears can they share so that there are none left over?
NRICH is part of the family of activities in the Millennium Mathematics Project.