Addeetion (eften signified bi the plus seembol "+") is ane o the fower basic operations o arithmetic, wi the ithers bein subtraction, multiplication an diveesion. The addeetion o twa hale nummers is the tot amoont o thae quantities combined. For ensaumple, in the pictur on the richt, thare is a combination o three aiples an twa aiples thegither, makkin a tot o five aiples. This observation is equivalent tae the mathematical expression "3 + 2 = 5" i.e., "3 add 2 is equal tae 5".
References[eedit | eedit soorce]
- Frae Enderton (p.138): "...select two sets K and L with card K = 2 and card L = 3. Sets of fingers are handy; sets of apples are preferred by textbooks."