Nelson EducationSchoolMathematics 5  
Surf for More MathLesson 5  Communicate About Estimation Strategies
To encourage students to have fun on the Web while learning about Communicate About Estimation Strategies, here are some games and interactive activities they can do on their own or in pairs. GoalExplain estimation strategies to determine if a solution is reasonable. Builds UponStudent Book pages 258259
Instructions for UseThe Comparison Estimator provides students with opportunities to practice estimation skills. Students can compare amounts by estimating the number of objects in two boxes. To use the Comparison Estimator, set the problem type to 'Random'. To answer a question, choose an item from the pulldown menu that best completes the sentence  "greater than," "less than," or "almost the same as." If you choose "almost the same as," the two shapes must be within 5% (either above or below) of the actual answer. Click the 'Check Answer' button to see if it is correct. Try the next question. 
