Addition and Subtraction 1. Addition: Addition is putting two numbers together to form a new number. 1.1. Parts of addition. 𝟑 + 𝟒= 𝟕 𝟑 𝒂𝒏𝒅 𝟒 are the addends. + Plus sign = Equals sign 7 Sum 1.2. Examples. a. 𝟐 + 𝟑 = 𝟓 (two plus three equals five) b. Sarah has 2 apples. She buys 5 more. How many apples does she have now? 𝟐 + 𝟓 = 𝟕 (4 plus 3 equals 7) 2. Subtraction: Subtraction is when you take one number away from another to get a smaller number. 2.1. Parts of Subtraction. 𝟏𝟎 − 𝟑 = 𝟕 𝟏𝟎 𝒂𝒏𝒅 𝟑 2.2. Minuend and Subtrahend − Minus sign = Equals sign 7 Difference Examples. a. 𝟖 − 𝟐 = 𝟔 (eight minus two equals six) b. There were 12 candies in the jar. Maria ate 3 of them. How many candies are left? 𝟏𝟐 − 𝟑 = 𝟗 (12 minus 3 equals 9)
