INVESTIGATE.
Direction: The cup and spoons we use at home are not standards measuring devices. Let's test how much these ordinary household wares actually contain compared to standard meaning devices.

Materials needed:
• Ordinary cup (one that you use in your home)
• Measuring cups (for liquid and dry)
• Weighing scale
• Water and flour

Procedures:
1. Measure flour in he ordinary cup. Use proper procedure in measuring.
2. Transfer the flour you measured from the ordinary cup to the measuring cup. Does your cup contain more or less than the measuring cup?________________
3. Weigh the flour you measured in ordinary cup? How much does it weigh?__________
4. Is this more or less than the standard weight of 1 cup flour which is____g?
5. Measure water in the ordinary cup.
6. Transfer the water in the liquid measuring cup. What is the volume of the water?_____________
7. Is this more or less than the standard volume of 1 cup of water which is __________?

(yung may blank lang po yung sasagutan. Salamat)​​