1
Decimal places
After the dot: tenths, hundredths.
0.5 = 5/10 · 0.05 = 5/100
Decimals
📖 Study · Decimals (Grade 4)
Decimals (Grade 4)
Decimals are fractions written with a dot.
🎯 What you'll learn
- ✓Read tenths and hundredths
- ✓Convert decimals ↔ fractions
- ✓Add and subtract decimals
2
Convert
1/2 = 0.5 · 1/4 = 0.25 · 3/4 = 0.75.
1/2 = 0.5
3
Add
Line up the dots and add.
1.5 + 0.4 ---- 1.9
4
In money
1.50 rufiyaa = 1 rufiyaa + 50 laari. The dot separates whole and parts.
1.50 rf
5
Less than 1
0.5 = half of 1. 0.25 = a quarter of 1.
0.5 = ½ · 0.25 = ¼
6
Subtracting
Line up the dots. 2.5 − 1.3 = 1.2.
2.5 − 1.3 = 1.2