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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!
I worked it out using yellow tens and red ones. Bertie
I noticed that the tens is like 3 + 4 which is 7. So 7 tens add 5 ones = 75.
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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!
October 6th, 2017 at 10:01 amI worked it out using yellow tens and red ones. Bertie
October 6th, 2017 at 10:02 amI noticed that the tens is like 3 + 4 which is 7. So 7 tens add 5 ones = 75.
October 6th, 2017 at 10:02 am