Objectives 


Students learn to add large numbers up to five digits.
Students learn to comprehend simple word problems and apply addition skills to solve them.
Students learn to solve problems using addition skills.
Students learn to subtract large numbers of up to five digits.
Students comprehend simple word problems and apply subtraction skills to solve them.
Students learn to solve problems using subtraction skills.
Practice addition and subtraction of up to fivedigit numbers.
Find the missing numbers, digits or operation signs involving addition and subtraction equation and inequalities.