This chapter strengthens understanding of large numbers up to ten-thousands. Students revise place value, learn to use commas correctly, and practice reading and writing number names accurately.
It covers:
Comparing and ordering numbers (increasing & decreasing order)
Identifying and continuing number patterns
Writing numbers in expanded form
Digit swapping to create larger or smaller numbers
Rounding off to the nearest tens, hundreds, and thousands
The chapter also includes fun puzzles and number tricks, helping students develop logical thinking while enjoying mathematics.
Overall, it builds a strong foundation in working confidently with large numbers.
Key Points
Large Numbers & Place Value – Understanding numbers up to ten-thousands; using commas to write them correctly.
Number Patterns – Sequences with patterns like adding 111, 1,050, 900, 100, 20, etc., to generate the next number in the sequence.
Reading & Writing Numbers – Correctly writing names of numbers (e.g., 8,045 as “Eight thousand forty-five”).
Ordering Numbers – Arranging numbers in increasing or decreasing order.
Comparing Numbers – A five-digit number (49,014) is always greater than a four-digit number (9,990), regardless of the first digit.
Digit Swap – Interchanging digits to make numbers larger/smaller (e.g., swap to get numbers >5,500 or between 11,000 & 15,000).
Rounding Off – Rounding to nearest tens, hundreds, and thousands; finding nearest hundred/thousand for numbers like 2,346.
Expanded Form – Writing numbers as sum of place values: e.g., 65,342 = 60,000 + 5,000 + 300 + 40 + 2.
Fun with Numbers – Including puzzles, such as the lion-sheep-grass river crossing, and games with numbers illustrating tricks with digit subtraction (differences always multiples of 9).
👉 👉Numbers tell stories! From writing large numbers with commas to solving puzzles and patterns, this chapter shows how maths makes numbers come alive. It sharpens thinking, attention to detail, and playful curiosity through travel-themed contexts.