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Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Number Grids Investigate the properties of number with these interactive number grids.
- Factor Trees Create factor trees to find the prime factors of the given numbers.
- Factor Pairs Find the factor pairs of the given numbers and arrange them in order.
- Flabbergasted Game This game for one or two players is an exciting challenge to demonstrate an understanding of factors and multiples.
- How Many Factors? Work out the number of factors a number has then write them all as a list.
- Fizz Buzzer The digital version of the popular fizz buzz game. Press the buzzers if they are factors of the counter.
- Convoluted Find the runs of four multiples in order as quickly as you can.
- Connect 4 Factors This a game for one or two players. The winner is the first to line up four numbers with a common factor.
- HCF and LCM Video Learn different methods for finding the highest common factor and lowest common multiple of two or three numbers.
- HCF and LCM Practise finding the highest common factor (H.C.F), sometimes called the greatest common divisor, and the lowest common multiple (L.C.M) of two numbers.
- Factor Trees Challenge Can you determine the unique digits that will complete these factor trees?
- Divisibility Test Practise using the quick ways to spot whether a number is divisible by the digits two to nine.
- Divisibility Tests 2-12 A visual aid designed to be projected in the classroom. Here you can find the quick ways of telling whether a number is exactly divisible by the numbers two to twelve.
- Divisibility Tests Worksheet This worksheet contains a list of the divisibility tests along with a fill-in-the-table exercise.
- Remainder Race A game involving chance and choice requiring an ability to calculate the remainder when a two digit number is divided by a single digit number.
- Satisfy Place the nine numbers in the table so they obey the row and column headings about the properties of the numbers.
- Three Ways Find three different ways of multiplying four different digits together to get the given target number. There are nine levels for this online challenge.

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

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