# Resources tagged with: Factors and multiples

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### There are 117 results

Broad Topics > Properties of Numbers > Factors and multiples

### What Do You Need?

##### Age 7 to 11Challenge 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. Can you sort out the clues and find the number?

### Multiplication Series: Number Arrays

##### Age 5 to 11

This article for teachers describes how number arrays can be a useful representation for many number concepts.

### Lots of Biscuits!

##### Age 5 to 7Challenge Level

Help share out the biscuits the children have made.

### The Remainders Game

##### Age 7 to 14Challenge Level

Play this game and see if you can figure out the computer's chosen number.

### Three Neighbours

##### Age 7 to 11Challenge Level

Look at three 'next door neighbours' amongst the counting numbers. Add them together. What do you notice?

### Tables Teaser

##### Age 5 to 7Challenge Level

How will you work out which numbers have been used to create this multiplication square?

### The Set of Numbers

##### Age 5 to 7Challenge Level

Can you place the numbers from 1 to 10 in the grid?

### Sorting Numbers

##### Age 5 to 7Challenge Level

Can you sort numbers into sets? Can you give each set a name?

### A First Product Sudoku

##### Age 7 to 14Challenge Level

Given the products of adjacent cells, can you complete this Sudoku?

### Odds and Threes

##### Age 7 to 11Challenge Level

A game for 2 people using a pack of cards Turn over 2 cards and try to make an odd number or a multiple of 3.

### Always, Sometimes or Never? Number

##### Age 7 to 11Challenge Level

Are these statements always true, sometimes true or never true?

### Spelling Circle

##### Age 7 to 11Challenge Level

Find the words hidden inside each of the circles by counting around a certain number of spaces to find each letter in turn.

### The Moons of Vuvv

##### Age 7 to 11Challenge Level

The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?

### Mystery Matrix

##### Age 7 to 11Challenge Level

Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.

### Biscuit Decorations

##### Age 5 to 7Challenge Level

Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?

### Constant Counting

##### Age 5 to 7Challenge Level

You can make a calculator count for you by any number you choose. You can count by ones to reach 24. You can count by twos to reach 24. What else can you count by to reach 24?

### A Mixed-up Clock

##### Age 7 to 11Challenge Level

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?

### One of Thirty-six

##### Age 5 to 7Challenge Level

Can you find the chosen number from the grid using the clues?

### Grouping Goodies

##### Age 5 to 7Challenge Level

Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?

### Venn Diagrams

##### Age 5 to 11Challenge Level

How will you complete these interactive Venn diagrams?

### Making Pathways

##### Age 7 to 11Challenge Level

Can you find different ways of creating paths using these paving slabs?

### Three Spinners

##### Age 7 to 11Challenge Level

These red, yellow and blue spinners were each spun 45 times in total. Can you work out which numbers are on each spinner?

### Flashing Lights

##### Age 7 to 11Challenge Level

Norrie sees two lights flash at the same time, then one of them flashes every 4th second, and the other flashes every 5th second. How many times do they flash together during a whole minute?

### Number Tracks

##### Age 7 to 11Challenge Level

Benâ€™s class were cutting up number tracks. First they cut them into twos and added up the numbers on each piece. What patterns could they see?

### Share Bears

##### Age 5 to 7Challenge Level

Yasmin and Zach have some bears to share. Which numbers of bears can they share so that there are none left over?

### Crossings

##### Age 7 to 11Challenge Level

In this problem we are looking at sets of parallel sticks that cross each other. What is the least number of crossings you can make? And the greatest?

### Which Is Quicker?

##### Age 7 to 11Challenge Level

Which is quicker, counting up to 30 in ones or counting up to 300 in tens? Why?

### Money Measure

##### Age 7 to 11Challenge Level

How can you use just one weighing to find out which box contains the lighter ten coins out of the ten boxes?

### Down to Nothing

##### Age 7 to 11Challenge Level

A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

### Got it for Two

##### Age 7 to 14Challenge Level

Got It game for an adult and child. How can you play so that you know you will always win?

### Remainders

##### Age 7 to 14Challenge Level

I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

### Light the Lights

##### Age 5 to 7Challenge Level

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

### Give Me Four Clues

##### Age 7 to 11Challenge Level

There are eight clues to help you find the mystery number on the grid. Four of them are helpful but the other four aren't! Can you sort out the clues and find the number?

### What's in the Box?

##### Age 7 to 11Challenge Level

This big box multiplies anything that goes inside it by the same number. If you know the numbers that come out, what multiplication might be going on in the box?

### I Like ...

##### Age 5 to 7Challenge Level

Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?

### Three Dice

##### Age 7 to 11Challenge Level

Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?

### Multiplication Squares

##### Age 7 to 11Challenge Level

Can you work out the arrangement of the digits in the square so that the given products are correct? The numbers 1 - 9 may be used once and once only.

### Number Detective

##### Age 5 to 11Challenge Level

Follow the clues to find the mystery number.

### Path to the Stars

##### Age 7 to 11Challenge Level

Is it possible to draw a 5-pointed star without taking your pencil off the paper? Is it possible to draw a 6-pointed star in the same way without taking your pen off?

### What Is Ziffle?

##### Age 7 to 11Challenge Level

Can you work out what a ziffle is on the planet Zargon?

### Missing Multipliers

##### Age 7 to 14Challenge Level

What is the smallest number of answers you need to reveal in order to work out the missing headers?

### What's Left?

##### Age 5 to 7Challenge Level

Use this grid to shade the numbers in the way described. Which numbers do you have left? Do you know what they are called?

### Playing with Factors and Multiples

##### Age 5 to 11

This article for primary teachers outlines why developing an intuitive 'feel' for numbers matters, and how our activities focusing on factors and multiples can help.

### Doubling Fives

##### Age 5 to 7Challenge Level

This activity focuses on doubling multiples of five.

### Multiply Multiples 3

##### Age 7 to 11Challenge Level

Have a go at balancing this equation. Can you find different ways of doing it?

### Counting Cogs

##### Age 7 to 14Challenge Level

Which pairs of cogs let the coloured tooth touch every tooth on the other cog? Which pairs do not let this happen? Why?

### Lots of Lollies

##### Age 5 to 7Challenge Level

Frances and Rishi were given a bag of lollies. They shared them out evenly and had one left over. How many lollies could there have been in the bag?

### Multiply Multiples 1

##### Age 7 to 11Challenge Level

Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?

### Multiply Multiples 2

##### Age 7 to 11Challenge Level

Can you work out some different ways to balance this equation?

### Guess the Dominoes for Two

##### Age 7 to 11Challenge Level

Guess the Dominoes for child and adult. Work out which domino your partner has chosen by asking good questions.