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Compare containers based on internal volume (capacity) by filling and packing

• Make and use a device for measuring internal volume (capacity) calibrated in uniform informal units

• Compare, order and record the internal volumes (capacities) of two or more containers by measuring each container in uniform informal units

• Estimate internal volume (capacity) by referring to the number and type of uniform informal unit used

Compare volumes using uniform informal units

• Estimate the volumes of two or more models and check by counting the number of blocks used in each model

• Compare models with different appearances, recognising when they have the same volume

• Record the results of volume comparisons using drawings, numerals and words, referring to the units used

• Explain that models made of the same number of units may have different volumes depending on the size of the units used