CLASS 4
MATHEMATICS MATH MAGIC
WITH
MIND
MAPS
NAME......................................................... CLASS........................SEC........................... SCHOOL......................................................
SY L L A B U S COV E R E D CENTRAL BOARD OF SECONDARY EDUCATION DELHI
PUBLISHED BY
COPYRIGHT RESERVED BY THE PUBLISHERS All rights reserved. No part of this book may be reproduced, stored in a retreival system, or transmitted, in any form or by any means, without written permission from the publishers.
1/11, Sahitya Kunj, M.G. Road, Agra - 282002 (UP) India 0562-2857671, 2527781
[email protected] www.OswaalBooks.com
DISCLAIMER Oswaal Books has exercised due care and caution in collecting all the data before publishing this book. In spite of this, if any omission, inaccuracy or printing error occurs with regards to the data contained in this book, Oswaal Books will not be held responsible or liable. Oswaal Books will be grateful if you could point out any such error or your suggestions which will be of great help for other readers.
Oswaal 1st to 5th Order Form NCERT WORKBOOKS Class 1
Rate
NCERT TEACHERS’ & PARENTS’ MANUAL Qty.
Amt.
Class 1
Rate
1. English (Marigold)
` 159
1. English (Marigold)
` 199
2. Hindi (Rimjhim)
` 199
2. Hindi (Rimjhim)
` 199
3. Mathematics (Math Magic)
` 199
3. Mathematics (Math Magic)
` 199
Class 2
Rate
Class 2
Rate
Qty.
Amt.
1. English (Marigold)
` 159
1. English (Marigold)
` 199
2. Hindi (Rimjhim)
` 159
2. Hindi (Rimjhim)
` 199
3. Mathematics (Math Magic)
` 159
3. Mathematics (Math Magic)
` 199
Class 3
Rate
Qty.
Amt.
Class 3
Rate
1. English (Marigold)
` 159
1. English (Marigold)
` 199
2. Hindi (Rimjhim)
` 199
2. Hindi (Rimjhim)
` 199
3. Mathematics (Math Magic)
` 199
3. Mathematics (Math Magic)
` 199
4. Environmental Studies (Looking Around)
` 199
4. Environmental Studies (Looking Around)
` 199
Class 4
Rate
Qty.
Amt.
Class 4
Rate
1. English (Marigold)
` 159
1. English (Marigold)
` 199
2. Hindi (Rimjhim)
` 159
2. Hindi (Rimjhim)
` 199
3. Mathematics (Math Magic)
` 199
3. Mathematics (Math Magic)
` 199
4. Environmental Studies (Looking Around)
` 259
4. Environmental Studies (Looking Around)
` 199
Class 5
Rate
Qty.
Amt.
Class 5
Rate
1. English (Marigold)
` 159
1. English (Marigold)
` 199
2. Hindi (Rimjhim)
` 159
2. Hindi (Rimjhim)
` 199
3. Mathematics (Math Magic)
` 199
3. Mathematics (Math Magic)
` 199
4. Environmental Studies (Looking Around)
` 259
4. Environmental Studies (Looking Around)
` 199
To buy these books, you can scan the given code
(3)
Qty.
Amt.
Qty.
Amt.
Qty.
Amt.
Qty.
Amt.
Qty.
Amt.
OUR DISTRIBUTORS AHMEDABAD AHMEDNAGAR AURANGABAD BARNALA BHARUCH CHENNAI DEHRADUN GULBARGA GUNTUR JALNA JEYPORE KAKINADA KOLHAPUR KOLKATA
Patel Book Agencies, (079) 25324741 Uppal Brother, (079) 22860529, 9426341529 Hira Stationers, (0241) 2418774, 9423755472 Lok Seva General Store, 9422203163, 8888866002 Aarti Book Centre, (0240) 2333366, 9422203836 Nav Chetan Book Depot, 9779050692 Harilal Maganlal & Company, (02642) 262717, 9427159957 PCM Book Shop, (044) 24337329, 9444050325 Kalaimagal Store, (044) 45544072, 9940619404 National Book House, 9412053812 L.E. Bhavikatti, 9880737400 Y. Renuka Devi, 9490450750 Anil Paper Mart, (02482) 230733, 9422722522 Basanta Agency, (06852) 250388, 9337662088 Sudhita Book Center, (0884) 2358677 Jai Book Company, (0231) 2651008, 9422402317 Ashish Book Depot, (0231) 2657420, 7798420420 Eureka book Emporium, (033) 25934001, 9433089132
MATHURA NABHA NAGPUR NAVI MUMBAI NELLORE PATIALA PATNA RAJKOT SHIMLA TRIVANDRUM TEZPUR VALLABH VIDYANAGAR
VIJAYAWADA WARDHA
Vishnu Book Depot, 9634472862 Khanna Book Depot, (01765) 220095, 9814093193 Novelty Book Depot, (0712) 2534884 Ravechi Book Stationery, 022-27720445 S.V.S. Book Centre, (0861) 2346818 Adarsh Enterprises, (0175) 2311431, 9814347613 P.M. Distributors, (0612) 2303437 Royal Stationers, (0281) 2582926, 9824207514 Vijay Brothers, 9418033179 Academic Book House, (0471) 2333349, 9447063349, 8129499091 Dutta Book Stall, 9402477623, 8729948473 Ajay Book Stall, (02692) 238237 Akshaya Books Corner, 09666155555 Sri Vikas Book Centre, (0866) 2424635, 9440715700 Unique Traders, (07152) 243617, 8600044411
PORT BLAIR HYDERABAD VIJAYAWADA VISAKHAPATNAM GUWAHATI TINSUKIA MUNGER MUZAFFARPUR PATNA
SIWAN DURG RAIPUR
DELHI
GOA AHMEDABAD
DAHOD GANDHIDHAM NAVSARI VADODARA SURAT NARNAUL BOKARO DHANBAD RANCHI BENGALURU
BELLARY DAVANGERE HUBLI MANGALORE MYSORE TUMKUR CALICUT ERNAKULAM
JOMER SRINILAYAM KOLLAM KOTTAYAM KOZHIKODE PALARIVATTOM TRIVANDRUM
GWALIOR INDORE
JABALPUR REWA UJJAIN AMRAVATI BHANDARA CHANDRAPUR DHULE JALGAON MUMBAI
NAVI MUMBAI NAGPUR
NANDED PUNE SOLAPUR YAVATMAL IMPHAL BHUBANESHWAR JALANDHAR LUDHIANA KOTA BHILWARA JAIPUR
COIMBATORE CHENNAI KALLAKURICHI MADURAI PUDUCHERRY SALEM TRICHY AGARTALA AGRA ALIGARH ALLAHABAD AZAMGARH BALIA LUCKNOW NOIDA SHAHJAHANPUR VARANASI
KOLKATA SILIGURI
MADHYA PRADESH Agarwal Book Depot, 9425116210 Arun Prakashan, (0731) 2454372, 2459448, 9425313294 Akruti Publishing House, (0731) 2456024, 2456025, 9826015516 Student Book Depot, 9425322330 Vinay Pustak Sadan, (0761) 2411194, 9300126517 Siddharth Enterprises, (07662) 404019, 9589936626 Shree Nath Book Depot, (0734) 2556903, 9827544045 MAHARASHTRA Delta Pen House, (0721) 2663672 Prerna Book Depot, 9423617725, 7184252357 Novelty Book Depot, 9422136967, 7172277418 Nav Jeevan Book Stall, (0256) 2232574, 7020525561 Sharma Book Depot, 9421393040 Anjali Trading Company, (022) 28714025, 9819737977 Repro Knowledge cast Ltd, 09910403290 Shivam Book & Stationery Shop, (022) 28381014, 28236000 Vidyarthi Sales Agencies, (022) 43029999 Krishna Book Store, (022) 27744962, 9819537938 JMD Book Distributors, (0712) 2557838, Tirupati Book & Stationers, (0712) 2456864, Laxmi Pustakalay Stationers, (0712) 2727354, 9823098983, Renuka Book Distributor, (0712) 2726122, 9765406133, Vijay Book Depot, (0712) 2534217, 2520496 Vijay Book Centre, 8956166999 New Venture Natraj Book Shop, (020) 24485054 Sai Shubham, (020) 69498635, 9975687687 Jitesh Vastu Bhandar, (0217) 2741061 Dilip Book Agencies, (07232) 245450, 9423131275 MANIPUR Jain Book Shop, 9856031157 ODISHA Pragnya Book Store, 8847888616, 9437943777 PUNJAB Punjab Book House, 9888708808 Bhatia Book Centre, 9815277131 RAJASTHAN Bhandari Stationers, (0744) 2391958, 9001094271 Perfect Stationery & General Shoppe, 9829863904 Raj Traders, (0744) 2429090, 9309232829 Nakoda Book Depot, (01482) 243653, 9214983594 Ashirwad Publishers & Distributors, (0141) 4046519, 9829015077, 9414782130 Goyal Book Distributors, (0141) 2571673, 9414782130 Saraswati Book House, (0141) 2610823, 9829811155 TAMIL NADU Majestic Book House, (0422) 2384333, Sapna Book House, (0422) 4629999 Arraba Book Traders, (044) 25387868, 9841459105 Ravi Book Distributor, (044) 24613174, 9941928555, Vijaya Stores, 9381037417 Sri Kiruba Stationery Shop, (04151) 222114, 9443726114 Jayam Book Centre, (0452) 2623636, 9894658036 Sri Lakshmi Book Stall, 9443085499 Sri Saraswathi Book Stall, (04132) 222283, 9092626287 Pattu Book Centre, 984248861 Rasi Publication, (0431) 2703692, 9894816280 TRIPURA Book Corner, 9856358594 UTTAR PRADESH Ajay Book, (0562) 2254621, 9411205449 Om Pustak Mandir, (0562) 2464014 Panchsheel Books, 9412257961 Shaligram & Sons, (0571) 2421887, 9412317800 Mehrotra Book Depot, 9415636890 Sasta Sahitya Sadan, 9450029674 Vidya Kendra, 9415281234 Rama Book Depot (Retail), (0522) 4080133 Global Islamic Publications, (0120) 4159204 Badri Prasad Murlidhar, 9415572589 Arunoday Book Depot, (0542) 2413363, 7007867829 Bokaro Student Friends, (0542) 2401250 Gupta Books, 9235697363, 9918155500 WEST BENGAL Oriental Publishers & Distributor (033) 22191591, 9836890418 Saha Book House, (033) 22193671, 9333416484 Agarwal Book House, (0353) 2535274, 98320391727
0702
OUR DISTRIBUTORS ANDAMAN & NICOBAR Kumar Book Depot, 9932082455 Krishna Book Centre, (03192) 258729, 9474205570 ANDHRA PRADESH Himalaya Book World, (040) 24732057 Sri Balaji Book Depot, (040) 27613300, 9636996199 Unique Book World, (040) 40061423 Sri Kanka Durga Book Stall, 09849144007, 9603491009 Vijayasai Book Centre, 9292450195 Sri Rajeshwari Book Link, (0891) 6661718, 9848036014 ASSAM Book Emporium, (0361) 2635094, 9675972993 Manika Books, 8876881519 UBS Publisher's Distributors, 09401154448, 9859520140 CR Book House, (0374) 2331191, 7002171180 BIHAR New Aman Book & Stationers, 9431612549 Pustak Bhandar, 9097046555 Bokaro Student Friends, (0612) 2300600, 2618400, Nova Publisher & Distributors, (0612) 2666404, Shri Durga Pustak Mandir, (0612) 2301704, Sharda Pustak Bhandar, 9852356008, 7591338354, Vikas Book Depot, (0612) 2304753, Sumit Book Palace, 7004430667 CHATTISGARH Bhagwati Bhawani Book Depot, 9827473100 Agarwal Traders & Pub., (0771) 4044423, 7489991679, 8878568055, Shri Ramdev Traders, (0771) 4099446, 9425213679 DELHI Mittal Books, (011) 23288887 Prozo (Global Edu4 Share Pvt. Ltd), 9599822411, 8587837835 R.D. Chawla & Sons, (011) 23282361 GOA Golden Heart Emporium, (0832) 2725208, 9370273479 GUJARAT Hardik Book Agency, (079) 22148725 Patel Book Agency, (079) 25324741, 9898184248 Shalibhadra Stationers, (079) 25621497 Roohinee Sales, (079) 27508022, 9574658500 Uppal Brothers, (079) 22860529 Collegion Book Corner, 9727293324 Arham Book Depot, (0283) 6237833 College Store, 9825099121 Maneesh Book Shop, (0265) 2363270, Umakant Book Sellers, (0265) 2359633, 9824014209 The Popular Books Centre, 9825519001 HARYANA Holkaran Dass Hemraj, (01282) 252008, 9355552008 JHARKHAND Bokaro Student Friends, (0654) 2233094, 7360021502 Bokaro Student Friends, (0326) 2302493, 9263939993 Bokaro Student Friends, (0651) 2212447 KARNATAKA Vasantha Book House, (080) 22216342, Hema Book Stores, (080) 41485110, Sri Sai Ram Book traders, (080) 22111243, 9449212946, Sapna Book House – (Gandhinagar, (080) 40114455), (Sadashivnagar, (080) 41236271), (Jayanagar, (080) 49066700), (Koramangala, (080) 40839999), (Residency Road, (080) 49166999), (Indiranagar, (080) 40455999), (Bannerghatta Road, (080) 42566299), (Nagavara, (080) 67294151) Krishna Books & Stationers, 9739847334 Chaithanya Agency & Book Centre, 9886393971 Laxmi Agencies, (08192) 231271, 9844168836 Renuka Book Distributor, (0836) 2244124 Sapna Book House, (0836) 4249999 Sapna Book House, (0824) 4232800, 9353066710 Sapna Book House, (0821) 4004499 Namana Book Palace, (0816) 2277774 KERALA Aman Book Stall, (0495) 2721282, 9645093283 Asad Book House, (0484) 2370431, 9447314548, Academic Book House, (0484) 2376613, Surya Book House, (0484) 2363721, 9847124217 Surya Book Centre, (0484) 2365149 UBS Publishers Distributors, (0484) 2353901 H & C Store, (0484) 2351233 H & C Store, (0474) 2765421, 9447574778 H & C Store, (0481) 2304351, Book Centre, (0481) 2566992 T.B.S. Publishers & Distributors, (0495) 2720025, 2720085 H & C Store, (0484) 2344337 H & C Store, (0471) 2572010, 9446411996
1.
Building with Bricks Ø Worksheet 1 - 4
2.
9 - 18
Long and Short Ø Worksheet 1 - 7
3.
19 - 35
A Trip to Bhopal Ø Worksheet 1 - 5
4.
36 - 47
Tick - Tick - Tick Ø Worksheet 1 - 7
5.
48 - 63
The Way The World Looks Ø Worksheet 1 - 3
6.
64 - 71
The Junk Seller Ø Worksheet 1 - 6
7.
72 - 86
Jugs and Mugs Ø Worksheet 1 - 6
8.
87 - 101
Carts and Wheels Ø Worksheet 1 - 2
9.
102 - 108
Halves and Quarters Ø Worksheet 1 - 7
109 - 124
10. Play with Patterns Ø Worksheet 1 - 5
125 - 136
(5)
With the philosophy of 'Learning Made Simple', we at Oswaal Books leave no stone unturned in making all our books extremely interactive, updated and precise. It gives us immense pleasure to present our latest offering Oswaal NCERT Workbook including Worksheets which are entirely based on the latest NCERT Textbook and follow the National Curriculum Framework (NCP). Worksheets are an ingenious tool in motivating students to engage their brains during class. The children learn a great deal from books, especially if they are interesting and interactive. The aim of this book is to appeal to the naturally inquisitive nature of the children. For this reason, this workbook has been provided with special and effective practice worksheets, keeping in mind the age, interest, and capability of the students. Stringent efforts have been made to incorporate a variety of questions covering all the topics to test the students' knowledge and understanding. Same special feature of Oswaal NCERT Workbook are : l l l l
Chapterwise Presentation with ample space for writing answers. Each Worksheet is strictly based on NCERT Textbook (latest edition). Mind Maps for Concepts Clarity. Oswaal QR codes, scan the code for related online videos.
We would like to extend our heartfelt gratitude to our authors and editors. Constructive suggestions for the improvement of this workbook would be gratefully acknowledged. Together we can make this book stand in the category as 'One of the Best'. Wish you Happy Learning! —Team Oswaal
(7)
(8)
1
building with bricks Let’s Revise
Correct way of building the wall (Strong Wall)
Wrong way of building the wall (Weak Wall)
Bricks are the building blocks to construct houses.
Bricks can be laid down in different forms on floor to get various patterns.
Brick is in the form of a cuboid having length, breadth and height.
In northen India, common brick has dimensions of 190 mm × 90 mm × 90 mm.
Average brick of the above size weight around 4-5 kg.
Bricks are made from soil. Soil is mixed with water and given a cuboidal shape of appropriate size and then heated to a very high temperature.
9
1,200 1,800 2,000
Old bricks
New bricks 1
New bricks 2
Calculati on
Building with Bricks
2,000×3,000 1,000 = 6,000 le ng a ct
Cost for 3000 new bricks 2 =
2,000
Re
10
Cost for 1000 new bricks 2 =
What is the cost for 3,000 new bricks 2 ?
Cost for 1000 bricks
Types of Bricks
ding buil all n W tter Pa Arc h
Method
Bricks Bricks
Heat in Mix soil with Give required Chimney at high water shape using stencil temperature
Building blocks of a structure
Mind map : Learning made simple
Oswaal NCERT Workbook, Mathematics Class-IV
Triangle
Worksheets
WORKSHEET-1
1
How to Draw a Brick?
NCERT
These are two photos of the same brick. In one photo we can see only one face of the brick. In the other we can see three faces. Circle the photo showing three faces. (a) How many faces in all does a brick have? Sol. (b) Is any face a square? Sol. (c)
Draw the smallest face of the brick.
(e)
Which of these is a drawing of a brick? Mark a()
(d) Which of these are faces of a brick? Mark a()
11
Oswaal NCERT Workbook, Mathematics Class-IV
2
Jamaal and Kaalu, the masons of Jagriti School, said that their grandfathers used many different kinds of bricks. Some of these are shown in this photo. NCERT
(a) Which of these bricks have curved edges? C
B
Sol.
D
A
(b) How many faces do you see of the longest brick?
E H
G
F
Sol. (c) Is there any brick which has more than six faces? Sol.
3
Find Out : The Size of a Brick
NCERT
Have you seen bricks of different sizes? (a) Take one brick and measure it.
(i) How long is it?
(ii) How wide is it?
(iii) How high is it?
(b) Muniya wants to make a wall 1 metre long. How many bricks will she need to put in a line?
12
1
WORKSHEET-2 Bricks and Bricks – Hot and Fresh!
Worksheets
NCERT
Ganesh and Sahiba live near a kiln where bricks are made. Can you guess how high is the chimney here? Is it : (a) about 5 metres? (b) about 15 metres? (c) about 50 metres? Here are four pictures from the brick kiln. These pictures are jumbled up. Look at them carefully.
Write the correct order.
13
Oswaal NCERT Workbook, Mathematics Class-IV Mental Math : Bhajan Buys Bricks
2
NCERT
Bhajan went to buy bricks. The price was given for one thousand bricks. The prices were also different for different types of bricks. Old bricks
– `1200 for one thousand bricks
New bricks from Intapur
– `1800 for one thousand bricks
New bricks from Brickabad
– `2000 for one thousand bricks
(a) Bhajan decided to buy the new bricks from Brickabad. He bought three thousand bricks. How much did he pay?
Sol.
(b) Guess what he will pay if he buys 500 old bricks.
Sol.
3
Which of these is a face of a brick? Put a () for the ones that are faces of a brick.
4
How many faces can you see in the following figures?
14
Worksheets
WORKSHEET-3 1
NCERT
(a) Which pattern is made in a circle? (b) In which pattern can you show mirror halves? Draw a line.
15