The exercises involve looking at various classroom objects, estimating the measures of these in the specified units, and then using a ruler, yard stick, or tape measure to find the measurement.
(The exercises; involve; looking at various classroom objects, estimating the measures of these in the specified units, and then using a ruler, yard stick, or tape measure to find the measurement) (The exercises; looking; at various classroom objects)
The exercises The exercises
involve looking
looking at various classroom objects, estimating the measures of these in the specified units, and then using a ruler, yard stick, or tape measure to find the measurement
at various classroom objects