CLASS VII • NUMBER SENSETopic: Decimals and Measurement
Class VII: Another Peek Beyond the Point
Convert grams and kilograms, use decimals in measurement, compare decimal quantities, and solve spice-shop problems.
Fact Sheet: Decimal Measurement
Decimals help us write measurements smaller than one whole unit. Grams become kilograms by dividing by 1000.
1 kg = 1000 g. To convert grams to kilograms, divide by 1000.
250 g = 250 ÷ 1000 kg = 0.25 kg.
Decimal Place Value: 0.25 means 2 tenths and 5 hundredths.
250 g out of 1000 g
250 g0.25 kg1/4 kg
Formula Hub
Grams to Kilograms
kg = grams ÷ 1000
250 g = 0.25 kg.
Kilograms to Grams
grams = kg × 1000
0.75 kg = 750 g.
Adding Decimals
Align decimal points.
0.25 + 0.10 = 0.35.
Mixed Units
Convert to the same unit first.
1 kg 250 g = 1.25 kg.
Online Lab: Decimal Measurement Explorer
Activity Zone
⚖️ Gram to Kilogram Converter
🧺 Spice Basket Total
Add spice weights and express total in kilograms.
⚖️ Decimal Weight Compare
0.25 kg
250 g
🔁 kg to g Machine
📋 Conversion Table
Worksheet Generator
Generate practice on grams-to-kilograms, kilograms-to-grams, decimal comparison, and real-life measurement problems.
Real-World Use
Cooking: Spice packets often show grams, but recipes may use kilograms.
Shopping: Vegetables may be weighed as 0.25 kg, 0.5 kg, or 1.25 kg.
Science: Small masses are easier to record using decimals of kilograms.
🌍 Real-Life Case Generator
Teacher Tools
Learning Outcomes
- Convert grams to kilograms using division by 1000.
- Convert kilograms to grams using multiplication by 1000.
- Use decimals to represent measurement quantities.
- Add decimal weights after converting to the same unit.
- Compare weights written in grams and kilograms.
Exit Ticket Prompts
- Write 250 g in kilograms.
- Convert 0.75 kg into grams.
- Which is heavier: 0.5 kg or 450 g?