[3.1] ADDITION#3.11 Add without grouping#3.12 Add using groups#3.14 Multi-digit addition [3.2] SUBTRACTION#3.21 Subtract without grouping#3.22 Subtract within 1000#3.23 Three-digit problems#3.24 Find missing number#3.25 Subtract on a number line [3.3] MULTIPLICATION#3.31 Multiplication-I#3.32 Multiplication-II#3.33 Multiplication-III#3.34 Multiplication-IV#3.35 Multiplication-V [3.4] DIVISION#3.41 Relate division to multiplication#3.42 Division using place value & area models#3.46 Multi-digit division#3.49 Divisibility Rules [3.5] PROPERTIES OF OPERATIONS#3.51 Bodmas#3.52 Closure & Commutative property#3.53 Associative property#3.54 Distributive property [3.6] BRACKET (PARENTHESES)#3.62 Expressions with parentheses [3.7] EXPONENT (POWER)#3.71 Repeated Multiplication as Exponent