Page 91 - Demo

90 Arrow-Puffin-3_Semester-1 MathsThe number 1000 is made up of 10 hundreds.10 blocks of 100 = 1000or 10 hundreds = 1000= One thousand1000 is the least four-digit number.100 is the least three-digit number.10 is the least two-digit number.1 is the least one-digit number.1 0 0 01 0 01 019 is the greatest one-digit number.99 is the greatest two-digit number.999 is the greatest three-digit number.9999 is the greatest four-digit number.9 99 9 99 9 9 99The greatest four-digit number is 9999. 1 added to it gives 10,000, which is the smallest five-digit number and is read as ten thousand.4-Digit Numbers on AbacusAn abacus is a counting tool.To show 4-digit numbers on an abacus, we have four rods. The first rod from right is for the ones. The second rod is for tens place. The third rod is for hundreds place and the fourth rod is for thousands place. The number of beads in each rod represents the number of ones, tens, hundreds or thousands.Th H T O6 3 2 1