Math. Workbook. Answer Keys. Put On Your Thinking Cap! Chapter 10 Weight. Practice 1: Comparing Things. Chapter Review/Test

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1 Answer Keys Part B Workbook MATH WORKBOOK Math Marshall Cavendish Education Chapter 0 Weight Practice : Comparing Things Pages Jansen 2 John 3 as heavy as; as heavy as 4 lighter than; heavier than The toy car is heavier than the buttons. The buttons are lighter than the toy car. The flute is heavier than the bone. The bone is lighter than the flute. apple orange Answers vary. Check your student s work for accuracy. 9 Answers vary. 0 ostrich feather 2 tomato; carrot 3 pumpkin; carrot 4 tomato pumpkin tomato Practice 2: Finding the Weight of Things Pages 0 toy bricks 2 20 toy bricks 3 toy bricks 4 beads 20 beads 2 beads onion lemon 9 lemon 0 onion 0 coins 2 coins 3 coins 4 pencil case or teddy bear pencil case or plastic bottle plastic bottle pencil case or plastic bottle; teddy bear teddy bear 9 plastic bottle Practice 3: Finding Weight in Units Pages 3 units 2 units 3 9 units 4 units 0 units unit 0 units units 9 toothbrush 0 toothbrush/toothpaste soap 2 toothbrush 3 9 units 4 units 0 units units Box C Box D 9 A/B/C 20 B/D 2 C, A, B, D Pages 2 coin 3 bananas; watermelon sunflower, rose, cactus Pages 924 weight 2 unit 3 heavy 4 lighter as heavy as boy; baby book baseball 9 fish 0 lighter; lighter; lighter pear; strawberry 2 0 units 3 units 4 The cube is lighter than the marble. pencil case 9 stapler 20 Possible answers: The pencil case is heavier than the wallet; The wallet is heavier than the stapler; The pencil case is heavier than the stapler. 2 The stapler is lighter than the wallet; The wallet is lighter than the pencil case; The stapler is lighter than the pencil case. 22 units 23 2 units 24 4 units 2 onion 2 jalapeno 2 jalapeno, bell pepper, onion Chapter Picture Graphs and Bar Graphs Practice : Simple Picture Graphs Pages April 3 sunflowers 4 roses 3 tulips more roses 2 fewer tulips flowers 9 3 toy planes 0 0 toy cars toy trains 2 toy cars 3 toy planes 4 9 toys 4 more toy cars toy planes; toy cars 2 coins 4 coins 9 2 more coins 20 9 coins 2 Wednesday Math Journal Page apples; oranges 2 bread; muffin 3 cup; milk 4 0 units 0MIFAKBWorkbook 3

2 Practice 2: More Picture Graphs Pages 2934 times 2 9 times 3 tails 4 2 more times goldfish 2 hamsters 2 more cats 9 rabbits; goldfish 0 rabbits goldfish 2 birds and hamsters; cats and dogs 3 3 tigers 4 giraffes giraffes lions 3 more rhinoceroses 2 fewer tigers by bus 22 bicycle glasses 2 apple juice Practice 3: Tally Charts and Bar Graphs Pages 33 Each Alonso s Tosses stands for toss. Hamster Gold sh Dog Cat Rabbit Bird Each Grade s Pets stands for pet. Silverware Tally Number Spoon Fork Knife forks 4 3 red, 9 blue, yellow red balloons 9 blue balloons more yellow balloons 9 red; yellow 0 cucumber, 3 pumpkin, sunflower Seed Packages Abby Bought Cucumber Pumpkin 4 Pages Tina: ; Eva: 3, Pedro: Crackers the Children Brought to School Children boxes 2 Anderson 3 Diaz 4 2 fewer 20 boxes Cards Sold by the Art Club Names of Families Pages 4344 bar graph 2 fewer 3 more 4 Guitar Drum Jay: 0; Madison: 3; Kimberly: Bottles for Recycling Children Tina Eva Pedro Number of Crackers Anderson Bailey Diaz Jay Madison Kimberly 9 Madison Number of Boxes of Cards Number of Bottles Chapter 2 Numbers to 40 Sun ower cucumber Math Journal Page 3 Answers vary Number of Packages Practice : Counting to 40 Pages 44 0, 20, 30, 3, 32, 33, , 20, 30, 3, 32, 33, 34, 3, 3 3 Circle the first 2 groups; 2. 4 Circle the first three groups; 3. Circle the first three groups; 39. Circle the first two groups; 2. Circle the first two groups; twenty-one thirty-seven twenty-two 0MIFAKBWorkbook 4

3 9 forty 20 thirty-five 2 thirty-one Practice 2: Place Value Pages tens ones 2 3 tens ones = 2 tens ones; 20 = 2; Chart: 2 tens ones. 40 = 4 tens 0 ones; 40 0 = 40; Chart: 4 tens 0 ones. Practice 3: Comparing, Ordering, and Patterns Pages Set A; 32 is greater than 29. Set B; 24 is less than , 32, ; 2; , 9, 20, 2, 22, 23, , 3, 32, 33, 34, 3, 3 3 2, 29, 30, 3, 32, 33, , 32, 3, 30, 29, 2, , 32, 34, 3, 3, , 2, 23, 2, 9,, 42 20, 23, 2, 29, 32, , 30, 2, 24, 2, 44 0, 0, 20, 30, , 2,, 9 3, 20, 23, 2, 29, tens ones Chapter 3 Addition and Subtraction to 40 Practice : Addition Without Regrouping Pages Number Bond: 30 and = 3 tens 2 ones ones = 3 tens ones = 3 Number Bond: 30 and. 3 2 = 3 tens ones 2 ones = 3 tens 9 ones = 39 Number Bond: 0 and. 2 = Number Bond: 20 and = 2 2 tens 9 ones 9 3 tens ones 2 2 Tens Tens Ones Ones 2 Pages Accept 0; 2; 3; 20; 2; or Accept 30; 3; or tens ones Tens Ones more tiles 3 3; 4,, 9, 3,, Pages 90 2 thirty-eight 3 forty 24 twenty-seven 3 twenty-four 40 thirty-six Practice 2: Addition with Regrouping Pages 3 3 = 3 tens ones 3 ones = 3 tens 0 ones = = 2 tens ones ones = 2 tens 3 ones = = 2 tens ones ones = 2 tens 2 ones = = ones 2 tens 9 ones = 2 tens 4 ones = = ten 9 ones 2 tens one = 3 tens 0 ones = MIFAKBWorkbook

4 Answer: RAIN-DEER Practice 3: Subtraction Without Regrouping Pages = 3 tens ones 3 ones = 3 tens ones = = 2 tens ones 4 ones = 2 tens 2 ones = 22 9 ten 4 ones 0 2 tens 4 ones 3 tens 3 ones 2 3 tens 0 ones 3 2 tens 0 ones 4 ten 3 ones 2 tens ones 2 tens 0 ones Practice 4: Subtraction with Regrouping Pages 3 ones 2 ones 3 0 ones Answer: SEA-SAW Practice : Adding Three Numbers Pages (0 = ) 9 (0 9 = 9) 9 Practice : Real-World Problems: Addition and Subtraction Pages 92 2 = ; trophies 2 = ; stickers = ; toy cars 4 = ; friendship bracelets 4 = 4; 4 more snowballs 3 = 30; 30 hairclips 22 3 = 9; 9 walnuts 3 = 9; 9 more muffins Pages Answers vary. Samples: Add 20, subtract 2. Add, subtract 0. 4 Answers vary. Samples: Add, subtract 3. Add 0, subtract. Roller Coaster, Merry-Go-Round 2 Bumper Car, Merry-Go-Round 3 Roller Coaster, Flying Elephant, Merry-Go-Round Pages count back 2 regroup 3 counting on 4 place-value chart = 2; 2 balloons 2 23 = 2; 2 bookmarks Cumulative Review for Chapters 0 to 3 Pages 99 as heavy as 2 lighter than 3 heavier than 4 tomato; pineapple 2 more cars 0 cars and trucks MIFAKBWorkbook

5 Vehicles in a Parking Lot Practice 2: Mental Subtraction Pages Cars Trucks Buses Each stands for vehicle. Kinds of Vehicles Tally Number Cars 4 Trucks 2 cars Pages 00 Samples: PAL; DAY; HAT; FIR; LAP; PIE 2 Answers vary. Samples: HOLE; HOT; COAT; COIN 3 Answers vary. Method Buses 4 0 Kinds of Vehicles Cars Trucks Buses Vehicles in a Parking Lot Method 2 Bicycles Tricycles Wheels in all 2 = = There are 2 bicycles and 4 tricycles Number of Vehicles 3 units toy bricks 4 toy shovel, pail, towel thirty-seven 20 forty tens ones ,, 2, 3 34, 20, 23, 2, 29, , 32, 3, = ; stamps 30 = 3; 3 balloons Pages 00 mentally 2 doubles fact Chapter Calendar and Time Chapter 4 Mental Math Strategies Practice : Mental Addition Pages Practice : Using a Calendar Pages Sunday 3 Tuesday 4 Thursday Saturday Answers vary. Answers vary. Answers vary. 9 blue circle January February March April May June July August September color green October November December 0MIFAKBWorkbook

6 2 October 3 Tuesday 4 3 Thursday October, 200 Saturday. summer Practice 3: Telling Time to the Half Hour Pages 923 half past spring half past 2 winter half past 9 9 winter 20 fall 2 summer fall half past Practice 2: Telling Time to the Hour Pages 3 2 o clock o clock 9 o clock 2 incorrect 3 correct 4 correct incorrect incorrect 0 o clock half past 9 half past o clock half past Math Journal Page 24 Answers vary. half past 3 o clock 4 o clock 2 9 o clock 3 2 o clock 4 4 o clock o clock o clock o clock o clock 9 correct 0 incorrect incorrect 2 incorrect 3 correct Pages 22 September September 4 Friday a Thursday b October a Monday b August 3 Order: 2, 4, 3, Pages 22 days; week 2 months; year 3 calendar 4 October is the tenth month of the year. February is the only month with 2 or 29 days. Sunday is the first day of the week. Friday comes before Saturday. Fall is the season that comes before winter. 9 o clock; half past 3; o clock 0 Answers vary; possible answer: half past. Answers vary; possible answer: 3 o clock. 2 Answers vary. 3 May 9, March 22 0MIFAKBWorkbook

7 Cumulative Review for Chapters 4 and Pages months June 9 November 20 months 2 summer, fall, winter 22 o clock 23 half past 2 24 half past 0 2 o clock 2 o clock 2 half past 3 2 half past 29 incorrect 30 correct 3 Thursday September 34 Wednesday 3 Tuesday; Monday 3 4,,, 2 3 more 3 days = 2; 2 days Chapter Numbers to 00 Practice : Counting to 00 Pages 33 0,, 2 2, 2, 3 3 0, 20, 30, 40, 0, 0, 0, 0,, 2, 3, fty-one seventy-two 2 forty eighty-eight sixty- ve fty-six 90 thirty-three 33 ninety Estimate: Answers vary. Count: 4. 9 Estimate: Answers vary. Count: 4. Practice 3: Comparing, Ordering, and Patterns Pages ; ; , 9, 4, ,, and and ,, 2, 3, 4,,,, 33 3, 2,, 0, 9,, 34,, 9, 9, 93, , 9, 9, 93, 9, 9 3 0, 0, 0, 0, 90, , 3, 3, 3, 3, 43, 33 Pages , 4,,,,,. Counting on in steps of from the number before it. 2 30, 3, 42, 4, 4, 0,. Adding to the number before it. 3 0, 20, 30, 40, 0, 0, 0. Counting on in steps of 0. 4,,, 2, 9,, 3. Counting back in steps of 3. 90,, 0,, 0,, 0. Counting back in steps of. 0, 0, 0, 0, 40, 30, 20. Counting back in steps of 0. Pages 2 compare 2 estimate 3 number line 4 9 seventy-four tens 4 ones Estimate: Answers vary. Count: 2. Practice 2: Place Value Pages 3942 = tens ones 2 3 = 3 tens ones 3 92 = 9 tens 2 ones 4 = tens ones 4 = tens 4 ones 93 = 9 tens 3 ones; 90 3 = 93 = tens ones; 0 = 4 tens 3 ones 9 tens ones 0 tens 4 ones 9 tens ones 2 tens ones Chapter Addition and Subtraction to 00 Practice : Addition Without Regrouping Pages 3 (,,, ) 2 (2, 3, 4,,,, ) MIFAKBWorkbook 9

8 Practice 3: Subtraction Without Regrouping Pages 3 92 (9, 94, 93, 92) 2 3 (,,,, 4, 3) 3 3 (9,,,,, 4, 3) Practice 2: Addition with Regrouping Pages Answer: TEDDY BEAR Answer: STARFISH Practice 4: Subtraction with Regrouping Pages MIFAKBWorkbook 0

9 Pages 34 Answers vary =. She will have stickers in 0 days. Or: = Pages Cumulative Review for Chapters and Pages 4 0, 20, 30, 40, 0, 0, 0, 0,, 2, 3, 4. 2 fifty-seven 3 ninety-three Estimate: Answers vary. Count: 4. 9 = tens ones 0 = tens ones; 0 = 2 tens ones 2 tens 3 ones ; ; 0; ; 90; 9 Set A is more than Set B. 9 Set A The least number is ; The greatest number is ,, 2 3, 2,, 0, 9,, 2 0, 0, 0, 0, 90, , Answers vary. Sample: 33 = Chapter Multiplication and Division Practice : Adding the Same Number Pages 90 0; ; ; 2 4 ; = 2. twos = 2. There are 2 snails in all =. 4 fours =. There are shrimps in all. crabs; 4 twos = 2 seahorses; fives = 2 9 A starfish has arms. fives = 30. starfishes have 30 arms. 0 3 fives =. 3 dresses have buttons. One flower has petals. sixes = 3. flowers have 3 petals. 2 Each plant has 4 leaves. fours = 20. plants have 20 leaves. 3 An octopus has arms. 4 eights = octopuses have 32 arms. Practice 2: Sharing Equally Pages 99 fish crackers; fish crackers; mice; 2 tubs; 2 mice 4 monkeys; 3 trees; monkeys 4 dogs; 4 dog houses; dog 2 cats; 3 baskets; 4 cats flowers 3 0MIFAKBWorkbook

10 3 books 4 groups 9 in each bag 0 4 marbles Answers vary. Sample: Circle the apples in groups of. There are 4 groups of apples 2 toys cubs 3 coin banks 4 pages 9 2 bowls 0 3 boxes 0 squirrels 2 2 balloons Pages erasers ; ; 0 shapes 2 2; 3; shapes 3 coins 4 4 pencils Practice 3: Finding the Number of Groups Pages groups Pages 2020 groups 2 same 3 ; 4 20; 20 threes 4 fours threes sevens twos 4 2 coops 0 seeds 2 groups 3 3 groups 0MIFAKBWorkbook 2

11 Chapter 9 Money Practice : Penny, Nickel, and Dime Pages penny nickel 04 Answers vary. Samples are given. 0 quarter 2 dimes, nickel 2 dime, 3 nickels 3 nickels 4 2 pennies quarter dime penny dime 9 nickels 20 0 pennies Practice 3: Counting Money Pages dime Coin Value Name Five cent Ten cent 0 dime One cent penny 3 dimes coins 9 4 fewer dimes 0 2 more pennies nickel dime 0 dimes, nickel, 3 pennies. Answers vary. Accept 0 dimes, 0 nickels, pennies. 9 dime, nickel, 2 pennies. Answers vary. Accept 0 dimes, 3 nickels, 2 pennies; 0 dimes, 2 nickels, pennies; 0 dimes, nickel, 2 pennies; 0 dimes, 0 nickels, pennies dimes, 0 nickels, 2 pennies. Answers vary. Accept dime, 2 nickels, 2 pennies; 0 dimes, 4 nickels, 2 pennies; 0 dimes, 3 nickels, pennies; 0 dimes, 2 nickels, 2 pennies; 0 dimes, nickel, pennies; 0 dimes, 0 nickels, 22 pennies. 2 Accept nickel, 4 pennies; 9 pennies. 22 Accept dime, nickel, 3 pennies; 3 nickels, 3 pennies; 2 nickels, pennies; nickel, 3 pennies; pennies. 23 Accept 2 dimes, 3 pennies; dime, 2 nickels, 3 pennies; dime, nickel, pennies; 4 nickels, 3 pennies; 3 nickels, pennies; 2 nickels, 3 pennies; nickel, pennies; 23 pennies. Practice 2: Quarter Pages 22 quarter; pennies 3 nickels 4 pennies nickel and pennies pennies 3 nickels and 0 pennies 2 nickels 9 Answers vary. Accept 2 dimes, nickel or 2 dimes, pennies. 0, 0, 0,,, 2, 0,, Answers vary. Sample: 3 quarters and nickel. 9 2 quarters and 2 nickels 0 Answers vary. Sample: 2 quarters, dime, nickel. Answers vary. Sample: quarter, 2 dimes, nickel. 2 dime, nickel, 4 pennies 3 Answers vary. Sample: quarter, dime. 4 Answers vary. Sample: 2 quarters, 4 dimes, 2 pennies. 2 ; Answers vary. 90 ; Answers vary. Answers vary. Practice 4: Adding and Subtracting Money Pages = = 4 30 = 3 44 = 9 3 = 4 0 = 3 40 = = 30. He spends = 0. She spends =. She spends = 0. They spend 0 in all = = = = = = = = 0MIFAKBWorkbook 3

12 2 3 quarters is. 0 =. She gets in change =. She has left = 9. He had 9 at first = 4. Andrew pays 4 less than Eve =. Derrick needs more = 3. The pencil is 3 more than the eraser = 99. He buys the sandwich and the apple crackers Math Journal Page 23 Answers vary. Pages quarters 2 quarter, 2 dimes, penny 3 dime, nickel, 4 pennies 4 Yes. He will get change. Yes. He will get change. No. He needs 24 more. Page 24 Dimes: 40, Nickels:, Pennies:. 40 = 0 Pages quarter, 2 dimes, nickel 2 0 = ; is less than 9. She buys Pen A = 2 ; 2 is more than 0 but less than 90. He buys the bananas. 4 Quarter Dime Nickel Pages 2424 dime 2 quarter 3 less 4 penny nickels dime nickel penny 9 quarter 0 Answers vary. Accept 2 dimes, nickel; dime, 3 nickels; or 0 dimes, nickels. Answers vary. Accept 2 nickels, 0 pennies; nickel, pennies; or 0 nickels, 0 pennies = 39. He has 39 left = 94. She spends 94. Cumulative Review for Chapters and 9 Pages ; 24; 24 2 ; ; 3 = 20; 4 fives = 20 4 ; ; 3 4 sandwiches 4 toy soldiers 2 pillows 3 groups 9 4 flowers 0 vases 3 vases dime, nickel, 2 pennies nickels 2 dimes and nickel or 2 dimes and pennies 2 quarters, 2 nickels, 4 pennies = quarters, dime, 4 pennies End-of-Year Review Pages 2323 C 2 B 3 A 4 D C A C A 9 C 0 C C 2 D 3 C 4 B A C D A 9 D 20 eleven 2 eighty-seven Bag B, Bag C, Bag A 2 units 2 0 units 2 watermelon; apple 2 half past o clock 30 fifty-seven 3, 4, 29, 32 2; triangle 3 4, 0,, 0,, 0,, 0, 3a first b behind 3a b Pasta 39 a 0 b cat c Kinds of Pets 40 bags Fish Pasta Soup Chicken Each stands for child. Kinds of Pets Tally Number Hamster Cat Bird Hamster Cat Bird 0 Pets Number of Animals 2 2 0MIFAKBWorkbook 4