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Interesting problems in the first grade of primary school mathematics
1. snake length 2. Giraffe 4. 17 2. 10 5. TV set 29-32 inches (about 3.33 cm in one inch) Rubber 3-6 cm 6.7.

Seven. Put three flowers in the bottle. Eight. 1+5 = 6 2+4 = 6.9.4-5 =-1(I never learned negative numbers in primary school, did I? There is something wrong with the topic). Same as tenuto1.1+1= 22.