Measure and compare the internal volumes (capacities) of containers by filling
Use uniform informal units to measure how much a container will hold by counting the number of times a smaller container can be filled and emptied into the container being measured.
Select appropriate informal units to measure the capacities of containers.
Recognise and explain the relationship between the size of a unit and the number of units needed.
Compare the internal volumes of two or more containers using appropriate uniform informal units.
Recognise and explain why containers of different shapes may have the same internal volume.
Estimate how much a container holds by referring to the number and type of uniform informal unit used and check by measuring.
Measure the internal volume (capacity) of containers by packing
Pack cubic units (eg blocks) into rectangular containers so that there are no gaps.
Recognise that cubes pack better than other objects in rectangular containers.
Estimate and measure the internal volume of a container by filling the container with uniform informal units and counting the number of units used.
Explain that if there are gaps when packing and stacking, this will affect the accuracy of measuring the internal volume.
Construct volumes using cubes
Explore different rectangular prisms that can be made from a given number of cubes.
Devise and explain strategies for stacking and counting units to form a rectangular prism.
Record volumes, referring to the number and type of uniform informal unit used.
Measure and compare the internal volumes (capacities) of containers by filling
Use uniform informal units to measure how much a container will hold by counting the number of times a smaller container can be filled and emptied into the container being measured.
Select appropriate informal units to measure the capacities of containers.
Recognise and explain the relationship between the size of a unit and the number of units needed.
Compare the internal volumes of two or more containers using appropriate uniform informal units.
Recognise and explain why containers of different shapes may have the same internal volume.
Estimate how much a container holds by referring to the number and type of uniform informal unit used and check by measuring.
Measure the internal volume (capacity) of containers by packing
Pack cubic units (eg blocks) into rectangular containers so that there are no gaps.
Recognise that cubes pack better than other objects in rectangular containers.
Estimate and measure the internal volume of a container by filling the container with uniform informal units and counting the number of units used.
Explain that if there are gaps when packing and stacking, this will affect the accuracy of measuring the internal volume.
Construct volumes using cubes
Explore different rectangular prisms that can be made from a given number of cubes.
Devise and explain strategies for stacking and counting units to form a rectangular prism.
Record volumes, referring to the number and type of uniform informal unit used.