Solve an equation using trial & improvement
Level 7 / Grade C
Essential Knowledge/Starters
Square & cube numbers (useful).xls
What's the number (intro idea).xls
x squared (helpful intro using Excel).xls
x squared 2 (helpful intro using Excel).xls
Explanations
Trial and Improvement.ppt (from emaths.co.uk)
Another brief web explanation (Trinity)
Questions
Multiple choice [refresh for new ones]
Multiple choice (worded questions)
Trial and Improvement (extension).xls

