Math No Problem! - Math No Problem! Collection of 6 Workbooks, Grade 2 Ages 7-8

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How to use thi s book Math No Problem! created Master Math at Home to help chil dren dev elop u ency in the subject and a rich understandin g of core co ncepts. Key fea tures of the Maste r Math at Home books incl ude: Carefully designed less ons that provi de structure, but also allo w flex ibility in how theyr e used. S peech bubble s containing content d esigned to spark dive rse conve rsations, with many discussion po ints that don t have obvious rig ht or wrong answers. Rich illust rations that will guide childre n to a discuss ion of shapes and uni ts of measurement, al lowing them t o make connections to the wider wor ld around them. E xerci ses that allow a exibl e approach and can be adapte d to suit an y child s cognitive or functional abili ty. Clearly laid-out pages t hat encourage ch ildren to practic e a range of hi gher-order sk ills. A community of friendly and relata ble character s who introduce each less on and come along as y our child pr ogresses thro ugh the series. You can see more guidance on how to use the se books at mastermathathome.com . Were excite d to share all the ways you can learn m ath! Copyright 2022 Math No P roblem! Math No Problem! mastermath athome.com www.ma thnoproble m.com hello@m athnoproble m.com First A merican Edit ion, 202 Published in th e Uni ted S tates by DK Publishi ng 1745 Broadwa y, 20th Fl oor , New Yo rk, NY 10 22 23 24 25 2 6 1 0 9 8 7 6 5 4 3 2 1 002327 132Nov /20 All rig hts res erve d. Witho ut limi ting t he righ ts und er the c opyrigh t reser ved a bove, no par t of th is pub lication ma y be rep roduced , stored in or i ntroduce d int o a re triev al sy stem, or trans mitt ed, i n any form, o r by an y mea ns (e lect ronic, me chanica l, phot ocopy ing, recordin g, or ot herwise ), witho ut the prior writt en pe rmission of the copyr ight o wner . Published in Grea t Britai n by D orling K indersle y Limi ted A cata log r ecord f or thi s book is available from the Librar y of C ongress. ISBN: 97 8-0-7 0-518 7- Printed and bou nd in China For the curious www.dk.c om Acknowled gments The pub lisher wo uld lik e to thank t he autho rs and c onsult ants A ndy Ps arianos, Jud y Horni gold, A dam Giff ord, Dr . Wo ng Khoon Y oo ng, Jessic a Kami nski, and Dr . Anne Hermans on. The Cast ledo wn ty peface has bee n used w ith permi ssion from the Colo phon F ou ndry . This book was made with Fore st Stewardship C ouncil certied paperone small step in DKs commitment to a sustainable future. Fo r more informat ion go to www.dk .com/our-gr een-pledge

Contents P age Hundreds Place V alue Comparing Numbers Adding and Subtr acting Wi thin 20 Adding without Re naming Adding with Re naming (Pa rt 1) Adding with Re naming (Pa rt 2) Adding with Re naming (Pa rt 3) Adding Three or F our 2 -Digit Numbe rs Subtracting without Re naming Subtracting with Rena ming (Pa rt 1) Subtracting with Renam ing (Pa rt 2) Subtracting with Renam ing (Pa rt 3) Review and Challe nge Answers Elliott A mira C harles L ulu H olly R avi Jacob Emma Sam H an nah Ruby Oak

Starter Lesson Charles i s helping his d ad p ut sheets of tiles o n the ba throo m wall. How m any t iles are there in tota l? Example There a re 100 0 tiles in tot al. Hundreds Each of these sheets has 100 tiles on it. We can use these to help us count. Each of these is equal to 100. There are 10 sheets in total. We can count in hundreds. 100, 200, 300, 400, ... ...500, 600, 700, 800, 900, 1000 We say one thousand .

one hundr ed two hu ndred three hund red four hund red ve hundr ed six hu ndred

seven hundr ed eight hu ndred nine hund red one thousan d 1000

Draw l ines to mat ch. Practice ve hund red 1000 one thousan d seven hu ndred three hun dred

Starter Lesson Place V alue How many cards d oes t he shopkeeper hav e alt ogether? Example 435 = 4 h undreds + 3 ten s + 5 on es 435 = 400 + 30 + 5 The di git 4 s tands f or 4 hundreds or 400. The di git 3 s tands f or 3 tens or 30. The di git 5 s tands f or 5 ones or 5. The sho pkeeper h as 435 cards. 435 is writte n as four hu ndred a nd thi rty- ve . h t o There are also 3 packs of 10 cards and 5 loose cards. There are 4 boxes of cards. Each box has 100 cards in it.

Practice Count in h undreds, tens, and one s. Fill in the blanks. = hun dreds + tens + ones = + + The va lue o f the d igi t 6 is . The di git 8 s tands f or . The di git is in t he tens place. Write the w ords i n numer als. (a) s even h undred and si xty-eigh t (b) t wo hundr ed and n inety -one Write the n umbers in wo rds. (a) (b) h t o

Starter Lesson Comparing Numbers Which nu mber i s the gr eatest and whi ch is the least? Example h t o h t o h t o First, we should look at the hundreds. 426 and 432 both have 4 hundreds. 378 has 3 hundreds. 378 is the smallest number. Next, we need to look at the tens. 426 has 2 tens and 432 has 3 tens. 432 has more tens. It is the greatest number.

432 is t he great est num ber an d 37 8 is t he sma llest numbe r . Put the n umbers in orde r from g reatest to leas t. (a) 65, , 756 , , (b) 69, 87 0, 868 , , Put t he num bers i n orde r from l east to great est. (a) 91, 4 12, , , (b) 97, 789, , , Practice Use t he dig its bel ow to ma ke the great est and the leas t 3-di git n umbers. greatest l east 360 390 426 We can use a number line to check.