Another variation is to ask the child to draw. First make some sticks, circles, squares, or other shapes on a page, and encircle them. Make for the child a big "bubble" to draw in, and ask the child to draw either the same amount, one more, or one less. Also have your child practice writing numbers on paper.
Math worksheets are particularly useful while adding larger numbers or decimals. Practice the math problems from the workbooks and solve them. Thus, learn these five methods and solve the math efficiently.