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NCERT Solutions for Class 4th Maths Chapter 4 Between, and marking on the line — Number Line

Book page 55 Updated on2026-09-19

Q1.
1. Which of these numbers lie between 2226 and 3226? Circle the correct answers. 3316  3236  2236  2216  3126  3216
Answer

A number lies between 2226 and 3226 if it is bigger than 2226 and smaller than 3226.

NumberBigger than 2226?Smaller than 3226?In between?
3316YesNoNo
3236YesNoNo
2236YesYesYes
2216NoYesNo
3126YesYesYes
3216YesYesYes
Circle 2236, 3126 and 3216.
Why it happens: 3236 and 3316 have 2 and 3 in the Hundreds place, so they are past 3226. And 2216 has 1 in the Tens place, so it is short of 2226.
Q2.
2. Do as instructed. a) 1001 and 1038 are marked on the number line. Try to mark 1043, 1069, and 1084 on the same number line.
1000101010201030104010501060107010801090110010011038
The number line printed in part (a). 1001 and 1038 are already marked.
Answer
1000101010201030104010501060107010801090110010011038
The number line printed in part (a). 1001 and 1038 are already marked.

The long marks are 10 apart and the short marks are 5 apart.

1043 → just past 1040
1069 → just before 1070
1084 → between 1080 and 1085
1000101010201030104010501060107010801090110010011038104310691084
1043, 1069 and 1084 marked in blue on the same line.
Why it happens: to place a number we first find the ten it belongs to, then step forward by its ones digit.
Q3.
2. b) Mark the following numbers on the number line below. 2025, 2080, 2175, 2245, 2295, 2310, 2390, 2430, 2460
200021002200230024002500
The number line printed in part (b).
Answer
200021002200230024002500
The number line printed in part (b).

The long marks are 100 apart and the short marks are 50 apart.

2025 → between 2000 and 2050
2080 → between 2050 and 2100
2175 → on the short mark after 2150
2245 → just before 2250
2295 → just before 2300
2310 → just after 2300
2390 → just before 2400
2430 → between 2400 and 2450
2460 → just after 2450
200021002200230024002500202520802175224522952310239024302460
The nine numbers marked on the line.
Why it happens: the hundreds digit tells which big gap the number falls in, and the tens digit tells where inside that gap it sits.
Q4.
2. c) Mark the following numbers on the number line below. 5512, 5548, 5590, 5636, 5673, 5695
5500552555505575560056255650567557005725
The number line printed in part (c).
Answer
5500552555505575560056255650567557005725
The number line printed in part (c).

Every mark on this line is 25 apart.

5512 → between 5500 and 5525
5548 → just before 5550
5590 → between 5575 and 5600
5636 → between 5625 and 5650
5673 → just before 5675
5695 → between 5675 and 5700
5500552555505575560056255650567557005725551255485590563656735695
The six numbers marked on the line.
Why it happens: all six numbers begin with 55 or 56, so only the last two digits decide where they go.
Q5.
2. d) Mark the following numbers on the number line below. 8679, 8990, 8923, 8763
85009000
The number line printed in part (d). Only 8500 and 9000 are named; four coloured boxes wait under the other long marks.
Answer
85009000
The number line printed in part (d). Only 8500 and 9000 are named; four coloured boxes wait under the other long marks.

First name the four empty boxes. 8500 and 9000 are 500 apart and there are five long marks between them, so the long marks go up in hundreds.

Boxes: 8600, 8700, 8800, 8900

Now place the four numbers. The short marks are 50 apart.

8679 → between 8650 and 8700
8763 → between 8750 and 8800
8923 → between 8900 and 8950
8990 → just before 9000
8500860087008800890090008679876389238990
The boxes named 8600, 8700, 8800, 8900 and the four numbers marked.
Why it happens: the boxes sit under the long marks, and each long mark is one hundred more than the one before it.
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