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 Choose the topic: Please select ..... A: Place value, ordering and rounding B: Properties of numbers & number sequences C: Fractions, decimals & percentages, ratio & proportion D: Mental calculation strategies (+ and -) E: Pencil & paper procedures (+ and -) F: Understanding multiplication & division G: Rapid recall of multiplication & division facts H: Mental calculation strategies (x and divide) I: Pencil & paper procedures (x and divide) J: Using a calculator K: Checking results of calculations L: Solving problems: making decisions M: Reasoning about numbers or shapes N: Problems involving 'real life', money or measures O: Handling data P: Measures Q: Shape and space P: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 29 30
Triangles

Area of a triangle
Angles of a triangle
Measuring angles
Measuring length
Coordinates
Isosceles triangles
Right-angled triangles

P1: Triangles

 An interactive resource which enables the user to create triangles. Use this resource for: area of a triangle, angles of a triangle, measuring angles, measuring length, coordinates, isosceles triangles, right-angled triangles, Pythagoras' Theorem, Trig. Best viewed in full-screen mode: if you are using Internet Explorer press F11 The buttons (numbered top to bottom) 1. Show/hide the area 2. Show/hide the length of each side 3. Show or hide the size of each angle 4. Snap to a grid (mm, 5mm or 1cm) 5. Stick to a line: the point will try to stick to aline when dragged. 1. Coordinates and labels, click once to show labels, again to show coordinates, again to hide coordinates. 2. Show/hide axes 3. show/hide protractor 4. Show/hide ruler 5. Show hide/rectangle 6. Show/hide cm grid 7. Show/hide mm grid If the protractor or ruler are shown then an extra set of buttons is shown: 1. Rotate ruler or protractor clockwise 2. Rotate ruler or protractor anti-clockwise 3. Rotate 90 degrees 4. Zoom (protractor only) The protractor and ruler can both be dragged about.

 Length, angle, mass and capacity Measuring length with a ruler P2: Measure the length of each of three lines. Drag the ruler into position. P3: Measure the length of each side of a quadrilateral. A quadrilateral is randomly generated; keep clicking until you are happy with the quadrilateral. Drag the ruler to measure one side of the quadrilateral. Use the rotate buttons to line up the ruler and the side. Use the zoom button to zoom in or out. The quadrilateral can be moved by dragging the top left corner. A screenshot of the activity           Show/hide protractor Rotate buttons Rotate the angle Zoom button Estimate, draw and measure angles P4: Target Angle Use this resource for estimating and measuring angles up to 180 degrees. A target angle is generated randomly. Can you make the target angle? First use the slider to construct the angle. Click the 'OK' to have your angle measured. Information about your angle is given. Click the 'next' button for another angle or click 'start again' to reset your scores.   P5: Place in order of size a set of angles each less than 180 degrees. P6: Acute or obtuse and estimating angles to the nearest 5 degrees. Measuring an angle P7: Measure an angle. An angle is randomly generated; keep clicking until you are happy with the angle. The angle can be estimated or measured. Move the angle by dragging its 'corner'. Reveal the protractor and move it into position then rotate it to fit over the angle. The angle can also be rotated. P7 version 2: Measure an angle version 2. The rotate buttons only appear when the protractor is placed in the correct position on the angle. The protractor rotate buttons only need to be pressed once. The protractor will keep rotating until it is in the correct position. SAT-type questions P8: Measuring length with a ruler What is the total width/length of the three shapes? What is the width of the hexagon? ...the rectangle? Work out the widths then drag the ruler to measure the individual shapes.   P9: How much sugar? Read the combined weight of flour and sugar and the weight of just the flour from the scales. How much does the sugar weigh? P10: How much sugar? Part 2 As above but the scales show the weight in grammes and ounces. The scale is horizontal.     P11: Liquid in 1000 ml measuring cylinders How much liquid is in each measuring cylinder? Measure to the nearest 10ml. P12: Estimate how much liquid is left Estimate how much is left in a 1 litre jug.

 Area and perimeter Area and Perimeter P13: Area and perimeter of rectangles   P26: Perimeter of shapes made from rectangles. A rectangle is shown with the dimensions given: work out the perimeter of the shape made from two or more of the same rectangle. There are three different shapes. Click under the shape to reveal the perimeter.   P14: Work out the shaded area     P15: Area of triangles on square dotty paper. P16: Area of parallelograms and trapezia on square dotty paper. Could be used just to differentiate between a parallelogram and a trapezium.

 Mental arithmetic Mental arithmetic 'tests' comprising ten questions on money and time. P17: National Curriculum: level 3 money P18: National Curriculum: level 3 time

Read the time from clocks and timetables

The large clock

What time? How long?

Drag the clocks along the timeline

Analogue and digital clocks

P24: Telling the time : a large clock
Drag the hands round. Set the hour hand first then drag the minute hand.

 Use these buttons to move the time forward or back the number of minutes indicated. Click on the 'time now' button to show the current time. Click on this to hide or reveal the time. The 24 hour clock time appears on the right when the current time is displayed.

P19: What is the time..50 minutes after this...an hour and a half later?

P20: Match the analogue time with the digital time

P23: Four clocks : analogue and digital
Show or hide the digital time or the hands on each clock. Children could draw hands on the clocks or work out how long in between the times shown on the clocks.
Use these buttons to generate new times: 15 = time shown every 15 minutes.
Click on these buttons to hide or show the hands on each clock.

P25: Three clocks on a 24 hour timeline
Three clocks are shown on a 24 hour timeline. Drag the clocks along the timeline by clicking on the pointers.
Click on the digital times to hide or show them.

 Click on this button to determine what the times are rounded off to : 1, 5 or 15 minutes. Use the buttons to hide or show each clock or the hands on a clock. If the hands are hidden, children can draw on the clocks to show the time. Use the slider to zoom in or out of the timeline.

A section of a timetable.

P21: Train timetable
If you are using Internet Explorer press F11 to view the resource full-screen.

A seaside train travels along the promenade from the tower to the lighthouse. How long does it take...?
The train's timetable is shown.
The timetable shows the 24 hour arrival and departure times of the train. Click on the 'train' button to start the journey.

P29: Flight departures
Seven flight departure times are shown. Please ssk your own questions: maths/geography.
Choose from six UK airports.

P30: Times graph
The time spent at a swimming pool is shown on a sort of bar chart. Please ask your own questions.

Click on each bar to show the time.

 Random number generator: target board A screenshot of the number generator. P22: A flexible whiteboard resource which generates 24 different sets of numbers; similar to a target board. Options include: Money: add up to £1.00 Length less than 10cm: mm and cm Length less than 2m: mm, cm and m Matching lengths, eg 21mm = 2.1cm 12 and 24-hour times Select the type of numbers to be generated by clicking on the numbered buttons at the top. 18: money, 19: length less than 10cm, 20: length less than 2m, 21: Matching lengths 22: Random 12-hour times (5 minutes) 23: Random 12-hour times 24: 24-hour times (in pairs) The colour of the number can be changed. Select one of 8 colours then click on a number. The numbers can be put arranged in a grid, click this button or arranged randomly, click this button The numbers can be grouped by dragging them about. The numbers can be discarded by dragging them to the bin. Children can use the resource to match pairs: eg 3x5 and 15 (times-tables 1) eg 35 and 70 (doubles) A clock starts when a set of numbers has been generated. The clock can be hidden or shown (click the green clock button). It can be stopped by clicking the 'stop the clock' button! The clock can be used to see who can match the pairs in the quickest time.

Active Maths Limited
registration no: 04713591