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Many marvellous mathematical methods!

Many marvellous methods! on PhotoPeach

Posted by on October 4th, 2017 at 5:59 pm | Comments & Trackbacks (3)




3 Responses to “Many marvellous mathematical methods!”

  1.   James Says:

    35 + 40 = 75 because I looked at the tens and I knew that 3 tens and 4 tens was 7 tens. I could see that 5 ones and 0 ones is 5 ones. So 70 + 5 = 75. By James the expert!

  2.   Bertie Says:

    I worked it out using yellow tens and red ones. Bertie

  3.   Aggie Says:

    I noticed that the tens is like 3 + 4 which is 7. So 7 tens add 5 ones = 75.

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