On The Double

Double these numbers and write down the answers in the back of your books:

4610121520
243851575861
126203251314318332
9778.348.230.560.00480.000040

                               

 

 

 

 

 

 

 

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Keywords: Starter | Arithmetic

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    Answers

     

    4 x 2 =
    8    		6 x 2 =
    12    		10 x 2 =
    20    		12 x 2 =
    24    		15 x 2 =
    30    		20 x 2 =
    40
    24 x 2 =
    48    		38 x 2 =
    76    		51 x 2 =
    102    		57 x 2 =
    114    		58 x 2 =
    116    		61 x 2 =
    122
    126 x 2 =
    252    		203 x 2 =
    406    		251 x 2 =
    502    		314 x 2 =
    628    		318 x 2 =
    636    		332 x 2 =
    664
    9778.3 x 2 =
    19556.6    		48.23 x 2 =
    96.46    		0.56 x 2 =
    1.12    		0.0048 x 2 =
    0.0096    		0.00004 x 2 =
    0.00008    		0 x 2 =
    0

     

    Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.