7.4 Decimals & Measurement

Decimals & Measurement

1. 1. Understand place value in decimal numbers and compare / order decimals.
2. 2. Add and subtract decimal numbers, keeping digits aligned by place value.
3. 3. Read measurement scales correctly, including those using negative values.
4. 4. Measure and calculate the perimeter of shapes given in decimal units.
5. 5. Multiply and divide by powers of 10 (10, 100, 1000).
6. 6. Convert between metric units of length (mm, cm, m, km), mass (mg, g, kg), and capacity.
7. 7. Round whole numbers to the nearest 10, 100, or 1000.
8. 8. Round decimals to 1, 2, or 3 decimal places.
9. 9. Divide decimal numbers by whole numbers.
10. 10. Choose the most appropriate unit of measurement for a given context.