TheplussignisusedinadditionandtheminusisusedinsubtractionHissonislearningtomultiplyanddividesquare正方形circle圆形triangle三角形line线Parallelogram平行四边形rectangle长方形加用plusand或add表示等于用ismakeequal等词表示23可表示为Howmuchistwoplusthree235TwoplusthreeisfiveTwoandthreeisequaltofiveTwoandthreemakesfiveTwoaddedtothreeequalsfiveIfweaddtwotoandthreewegetfive减用minus或takefrom表示106Howmuchistenminussix1064TenminussixisfourTakesixfromtenandtheremainderisfourSixtakenfromtenisfour十减去六等于四乘用time动词或multiply表示3X4Howmuchisthreetimes