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Decide which mathematical operation is required then use it to find the answers.

Try It!Arrange the ratio clues in the clouds in a logical order to work out the values of the twelve letters.

Try It!Find out how developed your algebra skills are and then take them to the next level.

Try It!A game for two players who take turns to add a domino to the line in order to score threes and fives.

Try It!Calculate the lengths of sides and the size of angles in three dimensional shapes.

Try It!Test your understanding of the criteria for congruence of triangles with this self-marking quiz.

Try It!Arrange the numbers on the cards so that each of the three digit numbers formed horizontally are square numbers and each of the three digit numbers formed vertically are even.

Try It!Arrange the twelve numbers in the triangles on the hexagram so that the numbers in each line of five triangles add up to the same total.

Try It!A self-marking, multi-level set of exercises on solving pairs of simultaneous equations.

Try It!Use a frequency tree to show two or more events and the number of times they occurred.

Try It!Place the digits one to nine in each of the regions created by the Olympic rings so that the sum of the numbers in each ring is the same.

Try It!Interactive, randomly-generated, number-based logic puzzle designed to develop numeracy skills.

Try It!Questions about the scale factors of lengths, areas and volumes of similar shapes.

Try It!Match the set notation statements with the equivalent symbol. A drag and drop self-marking exercise.

Try It!Converting measurements of length, mass, volume and time from one unit of measure to another.

Try It!Crack the code by replacing the encrypted letters in the given text. There are lots of hints provided about code breaking techniques.

Try It!Online exercises on cumulative frequency for discrete and grouped data with exam-style questions.

Try It!Move the pieces of the tower from one place to another in the minimum number of moves.

Try It!Find all of the possible ways of making the magic total from the numbers in this four by four magic square.

Try It!Arrange the stages of the proofs for the standard circle theorems in the correct order.

Try It!Apply formulae for the volumes and surface areas of cylinders to answer a wide variety of questions

Try It!Find three different ways of multiplying four different digits together to get the given target number. There are nine levels for this online challenge.

Try It!Arrange the twelve numbers on the hexagram so that the numbers in each line add up to the same total.

Try It!Light up the Christmas tree by connecting all the wires and light bulbs to the electrical source.

Try It!A two-player game requiring a strategic way of counting off the days till Christmas.

Try It!Exercises on powers and roots and simplifying index expressions involving numbers of the same base.

Try It!Use Pythagoras' Theorem to help find all of the measurements of these right angles triangles.

Try It!Practise finding integer solutions to equations with more than one unknown.

Try It!Drag the numbers into the red cells so that the sum of the three numbers in each row and each column is a prime number.

Try It!Arrange the numbers from 1 to 6 in the spaces to make the division calculation correct.

Try It!Get to know this famous number pattern with some revealing learning activities

Try It!A number of self marking quizzes based on the fascinating Fibonacci Sequence.

Try It!This is quite a challenging number grouping puzzle requiring a knowledge of prime, square and triangular numbers.

Try It!In how many cells can you draw symmetrical shapes with the given row and column headings?

Try It!Arrange the given pairs of simultaneous equations in groups to show whether they have no solution, one solution or infinite solutions.

Try It!Calculate the probability of independent and dependent combined events using tree diagrams.

Try It!The chessboard has been broken into 13 pieces. Can you put it back together?

Try It!Do you understand how your bank charges you for taking out an overdraft? Try this self marking quiz.

Try It!Calculate the magnitude and direction of a vector and convert between forms.

Try It!Arrange the digits to make three 3 digit numbers such that the second is double the first and the third is three times the first.

Try It!Order the algebraic expressions according to their value with the given substitution.

Try It!Estimate the capacity of the bottles, boxes and cans in the photograph and answer questions about volume.

Try It!Would you recognise a misleading graph if you saw one? Try this comparative judgement exercise to rate statistical graphs.

Try It!A self-marking exercise in solving direct and inverse variation problems.

Try It!Can you find a 6 digit number containing two each of the digits one to three which obeys the rules given?

Try It!A puzzle to find four different ways of making 900 by multiplying together three different numbers.

Try It!Solve the problem of getting four people through a tunnel with one torch in the minimum amount of time.

Try It!Learn how to convert numbers from decimal to binary and from binary to decimal.

Try It!Create your own dynamic geometrical diagrams using this truly amazing tool from GeoGebra.

Try It!Finding the exact values of sine, cosine and tangent of angles if given a different trig ratio.

Try It!Click on all the points that could be the centre of enlargement of the shape if the image does not go off the grid.

Try It!Arrange the sixteen numbers on the octagram so that the numbers in each line add up to the same total.

Try It!A self-marking exercise on finding the exact values of sine, cosine and tangent of special angles.

Try It!The traditional pairs or pelmanism game adapted to test knowledge of Venn diagrams.

Try It!Nim is a mathematical game of strategy in which two players take turns removing objects from groups of objects.

Try It!Practise solving linear equations that contain fractions in this multi-level exercise.

Try It!Make scale drawings of real life situations using ruler, compasses and pencil to answer questions about loci.

Try It!Work out the surface areas of common solid shapes in this collection of exercises.

Try It!Find the formula for the nth term of sequences that belong in the given sets.

Try It!Arrange the digits one to nine to make a number which is divisible in the way described.

Try It!Figure out which numbers will complete the sentences in the frame correctly. A drag and drop activity.

Try It!Determine the upper and lower bounds when rounding or truncating quantities used in calculations.

Try It!Match the description of the loci to the diagram of the construction.

Try It!A self-marking exercise on the sine rule, cosine rule and the sine formula for finding the area of a triangle.

Try It!Light up the Christmas Tree by flashing lights according to a number pattern.

Try It!Make a schedule for the 24-hour Darts Marathon which will take into account everyone's requests and keep everyone happy.

Try It!Use written methods to answer ten arithmetic questions. When you have finished you will find the results of this amazing research.

Try It!Arrange the given statements involving indices to show whether they are true or false.

Try It!A self checking, interactive version of the Sieve of Eratosthenes method of finding prime numbers.

Try It!An exercise in which each problem requires two percentage calculations to find the solution.

Try It!Practise using compound units such as speed, unit pricing and density to solve problems.

Try It!Match the equations with the images of the corresponding graphs. A drag-and-drop activity.

Try It!Choose from the given functions the one that best describes the shape of the graph.

Try It!An online tool to draw, display and investigate graphs of many different kinds.

Try It!Use the graphs provided and create your own to solve both simultaneous and quadratic equations.

Try It!A mini adventure game containing maths puzzles and problems. Find your way through the maze of tunnels to find Goldberg's magic harpsicord.

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