Millimetres: Tenths of a Centimetre
Guess, Measure and Colour
Tenths and Hundredths of a Sheet
Metres, Centimetres and Foreign Money
Bills and Temperatures with Decimals
3.1 The Need for Smaller Units: Sonu's Two Screws, and Measuring Them on the Scale
3.2 A Tenth Part: The Pencil of 3 4/10 Units, Reading Tenths, and Arranging Lengths in Increasing Order
Adding Tenths: Sonu's Arm Worked Three Ways, and the Honeybee's Total Length
Subtracting Tenths: Shylaja's Middle Finger, the Two Fish, and Six Sequences
3.3 A Hundredth Part: Folding the Paper, and Splitting Each Tenth into Ten
Reading Hundredths Three Ways, Filling the Markings, and Finding the Longest and Shortest
Adding 15 3/10 4/100 and 2 6/10 8/100 by Four Methods, Set Beside 483 + 268
Subtracting with Regrouping, Set Beside 653 − 268, and Figure it Out (Page 13)
3.4 Decimal Place Value: Why We Always Split into Ten, and the Ladder of Place Values
The Decimal System Named, and the 'How Big?' Math Talk
Notation, Writing and Reading: Why 705, 70.5 and 7.05 Need a Decimal Point
Reading Decimals Aloud, and the Place Value Table for Eight Quantities
Rupee and Paise Conversion, and Prices in the 1970s
3.6 Locating and Comparing Decimals: Putting 1.4 on the Number Line
There is Zero Dilemma! — Whether 0.2, 0.20 and 0.200 Are the Same
Comparing 6.456 with 6.465 Digit by Digit
3.7 Addition and Subtraction of Decimals: Priya's Cloth, and 75.345 + 86.691
Figure it Out (Page 30): Eight Sums and Eight Differences
4.1 A Quick Recap of Decimals: Jonali and Pallabi's Game, and the Spice Weights
Figure it Out (Pages 33–34): Questions 1 to 8 — Fractions to Decimals, Number Lines and Word Problems
Multiplying and Dividing Decimals by 10, 100 and 1000
Converting Between Fractions and Decimals
Word Problems on Money, Length and Weight with Decimals