Word problems with "more" and "fewer" 1

The first instance of  is under the Early Math Math Mission. This exercise uses various geometric models to increase understanding of addition and subtraction.

Types of Problems
There are four types of problems in this exercise:


 * 1) Difference on number line: This problem uses a number line to help the student solve an arithmetic problem.Aswp3-1.png
 * 2) Unpictured answer: This problem does not provide a picture (which is unusual for this exercise) and asks the student to answer a contextual problem.Aswp3-2.png
 * 3) Picture with an answer: This problem describes a situation and asks the student a question based on a related picture problem.Aswp3-3.png
 * 4) Block visual problem: This problem uses a block model to assist the student to solve an arithmetic question.Aswp3-4.png

Strategies
This exercise is fairly simple to attain speed and accuracy badges. It is necessary to read carefully however!