Acme Mathematics 2 51700 g400 g200 g100 g4. Match the followings.100g200g300g400g 500g600g700g800g900g 0g100g200g300g400g 500g600g700g800g900g 0g100g200g300g400g 500g600g700g800g900g 0g100g200g300g400g 500g600g700g800g900g 0g100g200g300g400g 500g600g700g800g900g 0g500 g
52 Acme Mathematics 26. Draw the arrow handle to show the weight.5. Draw an arrow to show the total weight of the fruit or vegetables on each scale1 kg 1 kg0 16 2375 41 kg 2 kg0 16 2375 41 kg 2 kg 2 kg0 16 2375 41 kg0 16 2375 425 g100 g 250 g 50 g200 g 125 g 500 g350 g150 g 225 g0g 100200300400500600700 0g 100200300400500600700 0g 1002003004005006007000g 100200300400500600700 0g 100200300400500600700 0g 100200300400500600700
Acme Mathematics 2 531kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g1kg2kg3kg4kg5kg6kg7kg8kg9kg 0g3 kg....... kg....... kg....... kg....... kg....... kg....... kg....... kg....... kg7. Read and write the weight on each of the following scale.
54 Acme Mathematics 2Heavy LightList the pictures under the correct heading.a.e.i.b.f.j.c.g.k.d.h.l.Relation between gram and kilogram1000 grams (g) = 1 kilogram (kg)Yes! I know how to do.Project Work
Acme Mathematics 2 55Write in gram:1 kg = 1000 g5 kg = 5000 g7 kg = 3 kg = 8 kg = 2 kg = 4 kg = 6 kg = 9 kg = Write in kilogram:1000 g = 1 kg2000 g = 2 kg3000 g = 4000 g = 5000 g = 6000 g = 7000 g = 8000 g = 9000 g = 1.Estimate the weight of the following and arrange in ascending order.ClassworkProject Work
56 Acme Mathematics 21. Write any four even numbers below 20.2. Circle the odd numbers : 379, 780, 859, 9923. Tick the heavy object.4. Cross the light object.5. Guess the weight of given objects. 200 gram 20 gram 500 gram 1200 gram6. Fill in the blanks.1000 gram = .................. kg. 2 kg = ....................gram7. List any 4 objects from your kitchen. Guess and write their weight.8. Arrange in increasing and decreasing order:612, 621, 640, 604, 619, 6049. Write the 'even' and 'odd' numbers between 90 and hundred.Mixed Exercise
Acme Mathematics 2 57OUR SCHOOL THEME4Working Hour : 114.1 Area– Comparison of Objects with Area4.2 Fraction– 1, 12 , 144.3 Distance– Estimation of Length– Measuring the length (use of cm and mm)
58 Acme Mathematics 2Colour the figures and tick () the figure with larger area:(a)(b)Comparison of objectsLook at the figures. Which one of the two kites is bigger ? You can find out by placing one kite over another.ABKite AKite BKite A is bigger than kite B. It has bigger surface.The amount of surface of a figure closed from all sides is called its area.Activity4.1 Area
Acme Mathematics 2 59Exercise 4.11. Compare the surfaces of the given objects.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Surface of rectangle is more than the surface of square. andandandand............................................................................................................................................................................................................................................andand
60 Acme Mathematics 22. Make different shapes, colour them and compare their surfaces.a. Shape B has more surface than shape A.b. ..........................................................................................................c. ..........................................................................................................d. ..........................................................................................................e. ..........................................................................................................f. ..........................................................................................................AB
Acme Mathematics 2 61Tick () the whole objects and circle (O) the part objects.Activity4.2 Fraction
62 Acme Mathematics 21. Match the following objects with their parts.Classwork
Acme Mathematics 2 632. Tick () the greater part and cross () the smaller.
64 Acme Mathematics 21. Write whole or half of an object.half apple 12 apple12 is read as 'one by two' or 'half'.half apple 12 applean apple cutting equally in two partsI want only part of the \"Apple\"You mean, you want a fraction!Fraction is a parts of an object.whole half ..................... .......................... ..................... ..........................A. Whole and Half of an ObjectExercise 4.2
Acme Mathematics 2 65............................................................................................................................................................................................Whole is written as '1' and 1 is read as 'whole' in the fraction.2. Colour half 12 of each shape black.
66 Acme Mathematics 2Two half are equals to each other. Two halves make a whole.3. Write the fraction for the shaded part in the box :
Acme Mathematics 2 67• Take an apple.• Cut it into two halves.• Cut again one half into two halves.• Put all the parts as shown belowWhole (1) Half 12 halves of half 14Now compare the sizes.1. Colour of each shapes :B. Whole and one-fourth of an ObjectClassworkActivity14
68 Acme Mathematics 22. Write 12 or 14 for the shaded part in the box :
Acme Mathematics 2 691. Match the following:(a) One-fourth 14(b) One-half 1(c) Whole 122. Colour one-half of each figure:3. Colour 12 of each figure:4. Colour one-fourth of each figure:Exercise 4.3
70 Acme Mathematics 21. Draw a line and divide into 2 equal parts. Colour 2 parts with different colours.2. Draw a line and divide into 4 equal parts. Colour 4 parts with different colours.
Acme Mathematics 2 71C. Comparison of FractionStudy the following shaded part of the fraction:1 (whole)121314From the above fractions,1 is the largest of all fractions.12 is greater than 13 .13 is greater than 14. 14 is the smallest of all fractions.Classwork1. Fill in the blanks.a. One-half is written as .................b. Whole is represented by ................c. One-fourth is written as ................d. The shaded part is ................ . 2. Put the correct symbol < (less than) or > (greater than).a. ............ a. ............ c. ............ d. ............
72 Acme Mathematics 2A. Estimation of LengthActivityName the objects from your classroom and guess their length.Name Length BreadthBoard .......... hand span ............. hand spanTableBookDusterBenchDoorDifferent objects have different lengths.ClassworkGuess the length.Can you guess my height?Guess how long my tail is!How long am I?Guess!In the early days, people used the hand, foot or forearm to get an idea of length.4.3 Distance
Acme Mathematics 2 73Measure the length of the following using your hand span and fill in the circle:Desk spanBlackboard spanClassroom spanDoor spanMeasure the length of the following and fill in the circle:Classroom cubitBaranda Foot lengthGarden Foot lengthBed room cubitB. Use of ScaleYou can measure the length accurately with the help of a scale or a measuring tape. Your scale is marked by centimetres (or cm) and inches.spancubitfoot length
74 Acme Mathematics 21. Read the length on each of the following scale.............. cm............. cm............. cm............. cm0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 156 5 4 3 2 1cm0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 156 5 4 3 2 1cm0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 156 5 4 3 2 1cm0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 156 5 4 3 2 1cm............. cm0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 156 5 4 3 2 1cmExercise 4.4
Acme Mathematics 2 752. Read the scale to find the length of the following objects:0Centimetres1 2 3 4 5 6 7 8 9 10 11 12 13 14 15cmcmcmcmcm3. Use a scale to find:• the length of your thumb cm• your pencil cm• the width of your geometry box cm• the length of your legs cm• length of your eraser cm• the length of a piece of chalk cm4. Guess the length of following objects.It is about ........... cmIt is about ........... cmIt is about ........... cmIt is about ........... cm
76 Acme Mathematics 2Height : ............Length : ............Height : ............Height : ............Length : ............Height : ............Length : ............Length : ............Height : ............Length : ............Height : ............Length : ............C. Length of Objects Around UsActivityGuess the length and height of the given objects.
Acme Mathematics 2 77My Measurement1. Length of my hand is about ............................... cm2. Length of my shorts is about ............................... cm.3. Length of my leg is............................... cm.4. Length of my arm is............................... cm.5. Length of my little finger is............................... cm.6. Size of my waist is............................... cm.7. Size of my wrist is............................... cm.8. Size of my chest is............................... cm.9. Length of nail of my middle finger is .......................... mm.Classwork
78 Acme Mathematics 22. Think and Tick ()the longest and Cross ()the shortest object given below.a. your bed your window your benchb. your pen your book your tiffin boxc. your bag your cap your exercise book3. Estimate the length.a. width of your bed room : ................ cubitb. width of door : .................... cubit.c. height of your study table : ............ hand spand. width of your window : ..................... hand spane. length of your bench : ................ cubitD. Standard Unit of MeasurementMeasuring lengthSmall lengths are measured in centimetres (cm).Very small lengths are measured in millimeters (mm).0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 156 5 4 3 2 1Longer lengths are measured in meters (m).10 millimetre = 1 centimeterOr10 mm = 1 cm
Acme Mathematics 2 791. Write whether you will use millimeters (mm) or centimeters (cm) to measure the following:a. The length of your pencil. ________b. The length of your glass. ________c. The length of a book. ________d. The length of your leg. ________Activity1. Estimate the nearest centimeters or millimeters and write the length.a. length of your hand span ..................b. length of your pencil .................c. length of your foot span ...............d. length of your cubit. ...................e. thickness of your Maths book ................f. length of your nail .................2. Use your logic and tick () mark the unit.mm cmmm cmmm cmmm cmmm cmmm cmClasswork
80 Acme Mathematics 2e. The height of your little finger. ________f. The length of your TV screen. ________2. Measure these lines and write the measurement in the circle:____________________________ cm_____________________ cm________________________ cm________________________________ cm_______________________ cmExercise 4.5Write in millimeters:1 cm = 10 mm2 cm = mm3 cm = 4 cm = 8 cm = 10 cm = 12 cm = 15 cm = 20 cm = Write in centimeters:50 mm = 5 cm70 mm = cm90 mm = 100 mm = 80 mm = 60 mm = 30 mm = 40 mm = 20 mm = 1.
Acme Mathematics 2 811. Fill in the blanks.a. 10 mm = ....................... cmb. 5 cm = ....................... mmc. It is .................. cm long.d. It is ................ mm long.e. It is .................... cm long.2. Colour the 'Whole' by red.Colour the part by black.Mixed Exercise
82 Acme Mathematics 23. Fill in the blanks.a. Area of 'Maths' book is ..................... the area of 'Maths' copy.b. Area of black board is ....................... the area of wall.4. Answer the following questions.a. How long is your scale?b. How long is your pencil?c. How long is your 'Maths' book?5. Make half of the following using scale and pencil.6. Colour one-fourth of the following.7. Divide the figures into four equal parts and colour one part.8. Measure the length of the following objects and write in the blank................. cm................ cm ................ cm ................ cm
Acme Mathematics 2 83MY CREATION THEME5 Working Hour : 85.1 Geometrical Objects5.2 Triangle, Quadrilateral and Circle– Sides and vertex (corners)
84 Acme Mathematics 2Study the given pictures and guess the shapes.Now, tick the shape that is given in the above pictures.A. Geometrical Objects Around Usplatepizzaegg table traffic sign rubic cubehangerchess boardblackbordmirror ball door5.1 Geometrical ObjectsClasswork
Acme Mathematics 2 85Different shapes used in the house:This is our window. This is my plate. This is a bowl.These are clocks. This is a Television.Look at the following objects and their shapes.B. Geometrical Object and Its Tracing
86 Acme Mathematics 2Some objects are straight.Some objects are curved.1. Study the given figure and answer the question.a. How many squares? .........................b. How many circles? .........................c. How many triangles? .........................d. How many quadrilaterals? .........................Exercise 5.1
Acme Mathematics 2 87Some objects are round.These shapes are called circle.These shapes are called triangle.These shapes are called quadrilateral.Some shapes have three-corners.Some shapes have four-corners.
88 Acme Mathematics 2Name the following shapes.It is quadrilateral shaped.It is ....................... shaped.It is ....................... shaped.It is ....................... shaped.It is ....................... shaped.It is ....................... shaped.It is ....................... shaped.Using local materials around you, make different shapes.ActivityActivity
Acme Mathematics 2 89Recognize the following shapes:It has three straight lines.It has three corners.It is a Triangle.It has four straight lines.It has four corners.It is a Quadrilateral.It has no straight lines.It has no corners.It is a Circle.More quadrilateralsRectangle Square Now, we learn more about triangle and quadrilateral.TriangleQuadrilateralCircle5.2 Triangle, Quadrilateral and Circle
90 Acme Mathematics 2Exercise 5.21. Colour the triangles by green, quadrilaterals by red and circles by blue colours:2. Join the dots:
Acme Mathematics 2 913. Join the points and draw the Triangles:(a) (b) (c)(d) (e) (f)4. Join the dots and draw the Quadrilaterals:(a) (b) (c)(d) (e) (f)5. Join the dots and draw the Circles:(a) (b) (c)(d) (e) (f)
92 Acme Mathematics 26. Mark the sides and colour the corners of the following figures:7. Write the number of sides and corners in the circle:It has sides.It has corners.It has sides.It has corners.
Acme Mathematics 2 93It has sides.It has corners.It has sides.It has corners.It has sides.It has corners.It has sides.It has corners.8. Collect pictures having triangular and quadrilateral shape. Paste on your copy and show it to your teacher.
94 Acme Mathematics 2Project Work1. Objective : To recognize the different shapes.2. Materials required:• A - 4 size paper• Different colours• A pair of scissors• Glue• Cardboard paper3. Activity:• Make different shapes using cardboard paper and paste them on A-4 size paper.• Construct different shapes.4. An example is given below:
Acme Mathematics 2 951. Tick the 'geometrical' shape.2. Match the shape and their relative objects3. Count and write 'corner' and sides:corner........sides ........corner........sides ........corner........sides ........4. Draw a 'circle' using coin and colour it.5. Draw a quadrilateral using object having quadrilateral shape and colour it.6. Colour the 'Triangle' red, 'Circle' black and 'Quadrilateral' yellow.Mixed Exercise
96 Acme Mathematics 2COMMUNICATION, TECHNOLOGYAND MARKETTHEME6 Working Hour : 123216.1 Money– Notes and coin– Use of money6.2 Pictograph – Reading the pictograph
Acme Mathematics 2 97When you go to market, you see different things on sale. If you wat to buy any things, you should pay money. Money is important for buying and selling the goods.• How much money does a ball need?• How much money does a TV need?...................... ...................... ...................... ............................................ ...................... ...................... ............................................ ...................... ............................................ ...................... ............................................ ...................... ......................A. Our Coins and NotesActivityCollect our coins, notes and name them.Rs. 22,900Rs. 1,1206.1 Money
98 Acme Mathematics 2100 paisa40 paisa75 paisa85 paisaMatch the following.100 paisa = 1 rupeeWe need money to buy things.Nepalese money consists of rupees and paisa.We write Re. for a Rupee, Rs. for Rupees and P for paisa.Classwork
Acme Mathematics 2 991. Add the following paisa and rupees :80 paisa+ 10 paisaRs. 31+ Rs. 5444 paisa+ 35 paisaRs. 20+ Rs. 5025 paisa+ 32 paisaRs. 30+ Rs. 2070 paisa+ 10 paisaRs. 64+ Rs. 3020 paisa+ 15 paisaRs. 51+ Rs. 3054 paisa+ 30 paisaRs. 52+ Rs. 41B. Addition of moneyLook at the following examples :Add 35 paisa and 50 paisa. Add Rs. 74 and Rs. 34.35 paisa+ 50 paisa85 paisaRs. 74+ Rs. 34Rs. 108Oh! It's easy like number addition.Exercise 6.1
100 Acme Mathematics 22. Find the total cost :Rs. 10Rs. 15Rs. 65Rs. 100Rs. 48Rs. 12Rs. 10Rs. 75Rs. 380Rs. 350 Rs. 200Total cost :Total cost :Total cost :Total cost :Total cost :Total cost :Rs. 5