Home>Whiteboard Worksheets>Properties of numbers and number sequences
 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 B: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 21

Random number generators

A screenshot of the number generator.

Target board
B12: A flexible whiteboard resource
which generates 24 different sets of numbers; similar to a target board.

Options include:
multiples, square numbers, prime numbers, number sequences

Select the type of numbers to be generated by clicking on the numbered buttons at the top.
13: multiples, 14: square numbers, 15: prime numbers, 16: number sequences 1, 17: number sequences 2.

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.

Multiples 1: multiples of 2, 5, 10 and 50
Multiples 2: multiples of 2, 3, 4 and 5
Multiples 3: multiples of 6, 7, 8 and 9
The plus buttons generate additional numbers
B20: Moving numbers multiples, factors, prime and square numbers.

 Click on this button to hide the menu or control panel. Click on this button to show the menu.

The numbers will swim about the screen, a bit like fish! Click on the side of fish tank to create a feeding frenzy.
Click on a fish to stop it moving and drag it about. Use the buttons shown below to control the fish....

 Click on this button to hide or show the control panel. The sliders on the control panel are used to determine the swimming speed, the feeding frenzy, how long the feeding frenzy lasts and the transparency of the fish. Stop and start the fish with this button The menu can be at the top or the bottom of the screen. Click at the top if you want it moving to the top. Click at the bottom to move it back to the bottom.

 Odd and even numbers, multiples B13: Sorting numbers in a Venn diagram: odd, even, multiples, greater than, less than. Guess the number game: use multiples, primes and square numbers The computer thinks of a number from 1 to 100. Your task is to identify the number by asking questions such as: Is it greater than ...? Is it a multiple of..? Is it a square number? Is it a prime number? Click on the appropriate buttons to ask the questions. The numbers that are eliminated are shown in red on the 100 grid. Click on 'the number is.." when you think you know the number. You can ask up to ten questions. B14: Play Guess the Number B15: Multiples Show multiples on a number grid. Click on the 'multiple of?' button and enter a multiple. Click 'ok'. Click on the 'clear' button to clear the grid.

 SAT-type questions : multiples and factors Make totals that are multiples of 5 or 10 Find factors eg which two numbers are factors of 63? B16: Digit card problems B21: Use the digit cards to make multiples (there might be more than one solution) Click on the cards to show/hide the digits. Click on the show/hide button to show or hide all the digits.

Active Maths Limited
registration no: 04713591