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Thank you to everyne who sent in their milk bottle tops. Green tops were definately the most common and gave us a great opportunity to explore numeracy concepts.
The whole class were fantastic at brainstorming how many bottle tops had been collected. After exploring the limitations of counting in 1's, they investigated counting in multiples, making arrays and weighing!
Key findings:
  • 1 bottle top weighted 1.38 grams
  • It was more accurate to weigh 100 than 10
  • Arrays are time consuming, frustrating but good fun. We finally agreed that we had 29 x 63 bottle tops (from memory) 
Well done everyone!!!