

Random number generator: target board  
H1:
A flexible whiteboard resource
which generates 24 different sets of numbers;
similar to a target board. Options include:
Select
the type of numbers to be generated by clicking on the numbered buttons
at the top. 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 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: 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! 
Mental arithmetic  

Mental arithmetic 'tests' each comprising ten questions on addition, subtraction, multiplication, division, place value, sequences, fractions, measures, time and money.
A mental arithmetic 'test' comprising ten questions on multiplication and division.. 

SATtype missing number questions  
Write in the missing numbers. Addition, multiplication and division of multiples of 10.


Circle divisions which have an answer of, for example, 6 remainder 3

Partition and use the distributive law  
Click underneath the question to reveal the working out. Multiply a number by 9 or 11 by multiplying by 10 and adding or subtracting the number. Multiply a twodigit number by singledigit number, multiplying the tens first.
Multiply a number by 9, 11, 19 or 21 by multiplying by 20 and adding or subtracting the number. Multiply a twodigit number by singledigit number, multiplying the tens first.
Multiply a number by 49, 51, 99 or 101 by multiplying by 50 or 100 and adding or subtracting the number. Multiply a a whole number and tenths
by a singledigit number, multiplying the units first:

Multiply or divide mentally  

Multiply or divide a twodigit multiple of 10 by a threedigit multiple of 100.
Divide a fourdigit multiple of 100 by 1000, 100 or 10
Multiply a decimal fraction with one or two decimal places by 10 or 100.
Divide a one or twodigit whole number by 100 or 10.

Complete this multiplication table


Write a number in each circle so that the number in each square equals the product of the two numbers on either side of it. The first one is done for you. H21: Product puzzle 1 numbers up to 12 



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