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P. 41
Arrow rules
The arrows below are used as symbols. Follow the rule given in the box
below to find the sum and difference.
: +1 : +2 : -1 : -2
8 + 1 = 9 8 =9
6 - 1 = 5 6 =5
1 + 2 = 3 1 =3
3= 7=
8= 4=
38 Workbook K-10
The arrows below are used as symbols. Follow the rule given in the box
below to find the sum and difference.
: +1 : +2 : -1 : -2
8 + 1 = 9 8 =9
6 - 1 = 5 6 =5
1 + 2 = 3 1 =3
3= 7=
8= 4=
38 Workbook K-10
