Here are the answers to the questions:
1. What is the maximum reading on these scales?
- a. The maximum reading on this scale is 5kg.
- b. The maximum reading on this scale is 5kg.
2. Fill in the intervals on these scales with a maximum reading of 10 kg.
To fill in the intervals on the scales with a maximum reading of 10 kg:
- Mark the major intervals around the dial at 0,1,2,3,4,5,6,7,8,9, and 10 kg.
- Between each kilogram mark, add a smaller mark halfway to represent 500 g (or 0.5 kg).
5. Do this practical activity using a kitchen scale and suitable objects.
- We see that the apple weighs 167 g.
- Find objects that weigh about:
- 20 g: A small handful of coins, a large marshmallow
- 90 g: A small bar of soap, a medium-sized egg
- 35 g: A small chocolate bar, a small packet of crisps
- 67 g: A small orange, a medium-sized apple
- 500 g: A standard bag of sugar, a small loaf of bread
- The meat weighs 2 kg 850 g.
- Find objects that weigh about:
- 3 kg: A small bag of potatoes, a large chicken
- 1 kg 500 g: A 1.5-liter bottle of water, a small bag of rice
- 3 kg 200 g: A small bag of potatoes, a large roast
- 2 kg 900 g: A small bag of flour, a large roast
- 4 kg 750 g: A large bag of flour, a a small pet (e.g., a cat)
Drop the next question.