Double these numbers and write down the answers in the back of your book:
4  5  9  12  14  16 
26  35  40  43  57  69 
682  704  1254  1648  2444  3080 
9.3  0.59  0.027  0.0019  0.00071  26.03 
Topics: Starter  Arithmetic
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4 x 2 = 8  5 x 2 = 10  9 x 2 = 18  12 x 2 = 24  14 x 2 = 28  16 x 2 = 32 
26 x 2 = 52  35 x 2 = 70  40 x 2 = 80  43 x 2 = 86  57 x 2 = 114  69 x 2 = 138 
682 x 2 = 1364  704 x 2 = 1408  1254 x 2 = 2508  1648 x 2 = 3296  2444 x 2 = 4888  3080 x 2 = 6160 
9.3 x 2 = 18.6  0.59 x 2 = 1.18  0.027 x 2 = 0.054  0.0019 x 2 = 0.0038  0.00071 x 2 = 0.00142  26.03 x 2 = 52.06 
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