Tài liệu Bdl 10 numbers

About the pagination of this eBook Due to the unique page numbering scheme of this book, the electronic pagination of the eBook does not match the pagination of the printed version. To navigate the text, please use the electronic Table of Contents that appears alongside the eBook or the Search function. For citation purposes, use the page numbers that appear in the text. B R I TA N N I C A DI SC OV ER Y LIBRARY 10 S U E N MB R In this book, you will: discover interesting things about numbers. learn new words. answer fun questions. play counting games. find more numbers activities at the back of the book. C HICAGO L ONDON N EW D ELHI PARIS S EOUL S YDNEY TAIPEI T OKYO n s u e m s b u e y d r o s b y r ever e v E y da y. zero five one two ten three four nine seven six eight 2 Count t Point o ten. to eac numb er on h the page as yo u say it . 3 Numbers tell us many things we need to know. Diego started out with three pets. His pets were a dog, a cat, and a bird. Diego’s cat gave birth to five kittens. Now Diego has eight pets! Diego is six years old. He has two parents and two brothers. There are five people in Diego’s family. One brother is older than Diego. Diego’s other brother is younger than Diego. 4 Count a brothe ll the rs in Diego ’s fam includ ily, ing How m Diego. brothe any rs there are a togeth ll er? o’s t Dieg r n u o C nd he cat a . How s kitten ats are c many re all the her? toget 5 Let’s count things in the pictures! One hat flies through the air in the wind. 1 One mom sits on a park bench with a baby. One bird sits on a wire. One boy watches the bird on the wire. 6 7 2 Two birds sit on the wire. Two girls fly kites on the grass. 8 Which big? W kite is hich small? is Two dogs sniff something under a tree. Two kites get tangled up in the air! 9 3 Three birds sit on the wire. Three old ladies sit on the park bench. Three kids do cartwheels across the grass. Three squirrels scurry up a tree trunk. How m peopl any e are weari ng pu rple? 10 irrel h squ an c i h W ter th is fas thers? the o 11 4 Four birds sit on the wire. Four people have a picnic on the grass. How m any bugs are on the pi cn baske ic t’s handl e? 12 Four peacocks watch from the branches of four different trees. How many s do apple e? you se Four big bugs crawl over a picnic basket! 13 Five bikes sit under a tree. How m a bikes ny are green How m ? a bikes ny are red? 5 Five birds sit on the wire. Five kids kick a soccer ball. 14 Five kids eat ice-cream cones. any How m re kids a lue ng b weari ts? shir Are m eating ore kids ch ice cre ocolate straw am or berry cream ice ? 15 6 Six birds sit on the wire. Six flowers grow in the grass. Six cats take over the park bench. Six puffy clouds move across the sky. Point to from s each cat, malle bigge st to st. 16 ny ma ve w Ho ers ha e iv flow r or f u fo etals? p 17 How m leaves any five p have oints? 7 Seven birds sit on the wire. Seven kids play a game of hide-and-seek. 18 Seven backpacks sit on the bench. Seven big leaves spin in the breeze. 19 8 Eight birds sit on the wire. Eight balloons escape into the sky. Point to the three b that a oats re c togeth lose er. How many boats have sails? 20 Eight barefoot kids race through the park. Eight toy boats bob in the pond. 21 9 Nine birds get wet on the wire. How umbre many llas one co are just lor ? How m an umbre llas ar y em than o ne col ore or? 22 Nine bright umbrellas keep the raindrops off. Nine fish leap in the pond. Nine puddles grow big in the rain. ddle h pu e c i h W s th look st? e bigg 23 10 Ten lights go on in ten windows across from the park. It’s getting dark! Ten birds are ready to fly home to their nests for the night. Ten funny dogs run wild through the trees. Ten kids hurry home to have dinner. 24 y man e w o ar H ren ng d l i ch ing lo r wea eves? sle How ma are wea ny shor ring slee t ves? Coun windo t the w are al s that l lit up . 25 10 9 8 7 Try counting the birds backwards. Count the birds from ten to one. 10 9 8 7 6 5 4 3 2 1 0 ten nine eight seven six five four three two one zero 6 5 4 Nobody sitting on the bench. Not one person left in the park. Zero means none. Zero people. Zero birds. No more birds left on the wire. The park is empty for the night. 26 3 2 1 27 Look at these funny pictures. Count the number of feet. Count the number of shoes. Is there a shoe for every foot? Yes, there are four little feet and four silly shoes. s shoe The number of feet is THE SAME AS h c i Wh big? are shoes the number of shoes. ch Whi tle? lit are 28 How ma ny dogs are fat? How ma ny dogs are skinny? Count the number of dogs. Now count the number of doghouses. Does each dog have a house? Yes, the number of dogs is the same as the number of doghouses. Each dog has a house. ch Whi use ho dog the is st? talle 29 Count the number of big, hungry mouths. Count the number of doughnuts on the plate. Yes, there is one doughnut for every hungry mouth. The number of doughnuts is the same as the number of big, hungry mouths. Are the numbers the same? Are there as many doughnuts as there are hungry mouths to eat them? 30 YUM! How m dough any can yo nuts u on the count se t pages wo ? 31 A bunch of monkeys is having a party! How many monkeys can you count at the party? Six monkeys have come to the party. How many red monkeys are at the party? How many brown monkeys are at the party? 32 There are four red monkeys at the party. There are two brown monkeys at the party. The number of red monkeys at the party is MORE THAN the number of brown monkeys at the party. 33 How many party hats can you find in the trees? There are only five party hats in the trees. The number of monkeys is MORE THAN the number of party hats. If one monkey leaves the party, there will be one hat for every monkey at the party. This is one way to make the number of monkeys the same as the number of hats. One monkey will not have a party hat! How m a hats a ny r hang e upside ing down ? 34 Can y ou of ano think way t ther o the nu make m the sa bers me? 35