Grade 2 Student Edition - Volume II

Circle polygon or non-polygon. End-of-Chapter Review1. 2. polygon non-polygon polygon non-polygon 4.Circle to show what part is shaded.3.one-half one-halfone-third one-thirdone-fourth one-fourthCircle each row. Add to find how many shapes are in each array.5. + There are circles.6. + There are squares. 143Chapter 9 Lesson 7

Write the part of the shape that is shaded.1. 2.Write the number of equal parts. Draw lines on each shape to show thenumber of equal parts.3. thirds 4. fourths 5. halvesequal parts equal parts equal partsDivide the rectangle into rows of squares. Add to find the numberof squares.6. 3 rows of five + number of squaresCount the number of squares in each part to seeif the shape is divided into equal shares. Circle the correct answer.7. 8. equal not equal equal not equal144

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Line PXloxtxsThe length, to the nearest inch, of each piece of chalk is shown.4, 3, 3, 2, 5, 3, 5, 2, 3, 5You can display the data in a line plot. Data is information. In thisline plot, each chalk length can be shown using an X.To make the line plot: 1. D raw a number line starting with the lowest number you will need and ending with the greatest number.2. P lace an X at the correct X number for each chalk length. XX XX X3. G ive the line plot a title. XXXX Chalk Length in Inches1. Use a ruler to measure each ribbon strip to the nearest centimeter. Complete the line plot, and give it a title. 3456 Title:Chapter 10 Lesson 1 2.MD.9 147

This line plot shows the length, to the nearest inch,of each pencil inside Stacy’s desk. X XX XXX XXX345678Pencil Length in InchesTitle:Use the line plot to answer the questions.1. New pencils measure 8 inches. How many of Stacy’s pencils are new?2. How many of Stacy’s pencils measure exactly 3 inches?3. What is the most common length of pencil that Stacy has inside her desk?4. W hat is the difference, in inches, between the longest and shortest pencils?5. H ow many pencils are inside Stacy’s desk?6. T here are no Xs above 7 inches. What does that mean? 148

Tally Charts Students in New York were asked to name the state they would most like to visit. They were given four choices. The results are shown. California, Florida, California, Hawaii, California, Hawaii, Alaska, Florida, California, Hawaii, Florida, Alaska, California, Florida, CaliforniaThe data can be collected in a tally chart. In a tally chart, show 1 as | and 5 as ||||. State States to VisitlAlaska Number of VotesCaliforniaFlorida llHawaii llll l llll lll 1. Jaycee asked some classmates to name a foreign language that they would most like to learn. He gave them four choices. The results are shown. Spanish, Spanish, French, Spanish, Japanese, Mandarin, Spanish, Spanish, Japanese, French, Spanish, Mandarin, Spanish, French, MandarinComplete the tally chart to record the number of votes. Language to Learn Language Number of VotesFrenchJapaneseMandarinSpanishWhich language got the most votes?Chapter 10 Lesson 2 2.MD.9 149

1. Oliver asked some classmates to name their favorite season of the year. The results are shown. Summer, Summer, Spring, Fall, Summer, Winter, Summer, Fall, Summer, Fall, Fall, Summer, Winter, Spring, Summer, WinterComplete the tally chart to record the number of votes. Season Favorite SeasonFall Number of VotesSpringSummerWinterWhich season got the most votes? 2. Miranda asked some classmates to tell her the number of pages they read last weekend. The results are shown. 6, 7, 4, 5, 6, 6, 5, 4, 8, 6, 10, 6, 7, 4, 5, 6Complete the line plot to record the number of pages.Then give the line plot a name. 4 5 6 7 8 9 10 Title:How many children read 7 pages? 150

Reading Picture GraphsA picture graph shows data by using pictures.The key tells what each picture represents.The picture graph below shows the number of books thatwere borrowed from the school library each day last week. Books BorrowedMondayTuesdayWednesdayThursdayFriday Each = 1 book.Use the picture graph to answer the questions.1. On which day were the most books borrowed from the library?2. On which day were exactly 4 books borrowed from the library?3. Were more books borrowed on Monday or Tuesday?4. How many books were borrowed on Wednesday and Thursday in all?5. How many more books were borrowed on Friday than on Tuesday?Chapter 10 Lesson 3 2.MD.10 151

The picture graph below shows the favorite pizza toppingof each student in a class. Favorite Toppings Broccoli Mushroom Olive Onion Each = 1 voteUse the picture graph to answer the questions.1. How many students like onions the most?2. W hich two toppings received the same number of votes?3. Do more students like broccoli or mushroom the most?4. Which was the favorite topping of the most students?5. How many more students chose mushroom than chose onion? 152

Constructing Picture Graphs We can use a tally chart to construct a picture graph.The tally chart shows how students in a class go to school. Method ll Ways to Go to SchoolBike Number of StudentsBusCar llWalk llll l llll lll llll1. Complete a picture graph using the data in the chart.Make a for each student. Method Ways to Go to School Number of StudentsBikeBusCarWalkLET’S WRITE!Do you think the tally chart or the picture graph shows the databetter? Explain your answer.__________________________________________________________________________________________________________________Chapter 10 Lesson 4 2.MD.10 153

We can use a table to make a picture graph.The table shows the number of days when there was each type ofweather during Joey’s 14-day vacation during winter break. Vacation Weather Weather Number of Days Cloudy 6 Rainy 3 Snowy 2 Sunny 31. C omplete a picture graph using the data in the table. Make a for each day. Vacation Weather Weather Number of Days Cloudy Rainy Snowy Sunny Each = 1 .LET’S WRITE!Suppose Joey’s vacation had lasted 6 more days. During those 6 daysit was sunny for 4 days and rainy for 2 days. How would the picture-graph change?___________________________________________________________________________________________________________________________________________________________________________154

Reading Bar Graphs A bar graph shows data by using bars of different lengths.To read a bar graph, look at each bar and find where it ends. Thenfind the number that lines up with the end of each bar.The bar graph below shows four choices of the children’s favoriteanimals at the zoo. Favorite Zoo AnimalsNumber of Votes 7 6 5 Giraffes Monkeys Sea Lions 4 3 2 1 0 BearsUse the bar graph to answer the questions.1. W hich animal received the least votes?2. How many votes did the most popular animal receive?3. H ow many students voted for the giraffes and the sea lions combined?Chapter 10 Lesson 5 2.MD.10 155

The bar graph below shows the favorite camp activity of onegroup of campers. Favorite Camp Activities 9 8 7Number of Votes 6 5 4 3 2 1 0 Boating Hiking Swimming Arts & CraftsUse the bar graph to answer the questions.1. W hat was the most popular activity?2. What was the least popular activity?3. How many campers chose arts & crafts and boating combined?4. How many more students chose arts & crafts than chose hiking?5. How many campers were included in the data?156

Constructing Bar Graphs We can use a tally chart to construct a bar graph.The tally chart shows the favorite colors that students in a class chose. Color Favorite ColorBlue Number of StudentsGreenPurpleRed1. Complete a bar graph using the data in the tally chart. Favorite ColorNumber of Votes 7 6 5 Green Purple Red 4 3 2 1 0 BlueLET’S WRITE!Do you think the tally chart or the bar graph shows the data better?Explain your answer.__________________________________________________________________________________________________________________Chapter 10 Lesson 6 2.MD.10 157

We can use a table to make a bar graph.The table shows the number of days that Amanda visitedher grandparents each month for four months. Visiting Grandparents Month Number of Days January 6 February 7 March 5 April 41. Complete a bar graph using the data in the table. Visiting GrandparentsNumber of Days 7 6 5 February March April 4 3 2 1 0 JanuaryLET’S WRITE!Suppose that in May, Amanda visits her grandparents 3 more daysthan she did in April. Describe how the bar graph would change.__________________________________________________________________________________________________________________158

Problem Solving: Using Data Displays We can use a bar graph to solve problems. Favorite Ice Cream Flavor 9 8 7Number of Votes 6 5 4 3 2 1 0 Pistachio Strawberry Vanilla ChocolateUse the bar graph to answer the questions.1. How many students chose strawberry and vanilla combined?2. How many more students chose vanilla than chose strawberry?LET’S WRITE!Without adding, did more students choose strawberry and vanillaor chocolate and pistachio? How do you know?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________Chapter 10 Lesson 7 2.MD.10 159

The bar graph below shows the number of books that Eli readeach month for four months. Books Read 9 8Number of Books Read 7 6 5 4 3 2 1 0 June July August MayUse the bar graph to answer the questions.1. How many books did Eli read in all?2. How many more books did Eli read in July than he read in May?3. Did Eli read more books in May and July combined or in June  a nd August combined? Explain your answer. LET’S WRITE!Eli said that he read the greatest number of pages in July, becausethat bar is the tallest. Is he correct? Explain.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________160

End-of-Chapter Review1. U se a ruler to measure each chain to the nearest centimeter. Complete the line plot. 23456 Chain Length in Centimeters2. Students were asked to name their favorite outing.They were given four choices. These are the results: Zoo, Museum, Zoo, Boating, Boating, Park, Zoo, Park, Boating, Zoo, Museum, Park, Boating, Zoo, Boating,Complete the tally chart to represent the data. Favorite Outing Survey Favorite Outing Number of VotesBoatingMuseumParkZoo3. Which two outings received the same number of votes? 4. H ow many more votes did Boating receive than 161 Museum?Chapter 10 Lesson 8

There are 6 basketballs, 5 flying discs, 3 footballs,and 4 soccer balls in a trunk.1. Complete a picture graph using the data above. Objects in a Trunk Basketball Flying disc Football Soccer ball Each = 1 .2. Complete a bar graph using the same data. Objects in a TrunkNumber of Objects 7 6 5 Flying disc Football Soccer ball 4 3 2 1 0 Basketball Object3. T he only objects in the trunk are those shown in the graphs. How many objects are in the trunk?4. How many more basketballs than footballs are there in the trunk?162

Cumulative RevieXwxxIComplete the number line. Use two or three jumps. Circle how manyjumps. Fill in the sum. +421. 58 + 42 = +402 jumps 583 jumps2. 48 + 45 = +452 jumps +403 jumps 48Complete the number line. Write the difference. –53. 5 3 –3 –5 534. 70 – 4 = –4 70Write a number sentence and solve. Use a for the unknown number.5. Bob has 75¢. He buys a pencil Step 1. for 25¢ and an eraser for 15¢. Write the number sentence.How much money does he Step 2.have left? Solve.Bob has ¢ left.Chapter 10 Lesson 9 163

1. Write the number 2. Compare. Write >, <, or =. in expanded form. 405 504 269 =3. Circle the point that shows 592. A 602 B 622 C 642Write the numbers that come just before and after.4. , 989, , 600,Write the amount of money. Show the amount in a different way.5. ¢Show the amount in two ways. Another Way6. One Way n80¢ dSolve the story problem. 7. Estee has two quarters. She buys a snack for 40¢. How much money does she have left? Estee has ____¢ left.164

Cumulative Review IIFirst find the sum of two addends. Then add the rest.You can add in any order.1. H TO H TO H TO83 + 74 + 68 + 27 + + +Add. Regroup if necessary. Subtract. Regroup, if necessary.2. H T O 3. H T O 49 4 59 1 + 29 6 – 38 5Use a ruler to measure the length of this pen to the nearest inch.4. about inchesUse your fingernail to estimate the length of each arrow.Circle the arrow that is about 10 centimeters long.5. about centimeters 1656. There are inches in 1 foot.7. There are feet s in 1 yard.8. There are centimeters in 1 meter.Chapter 10 Lesson 10

Write the time. 2. 3.1.half past 4 a quarter 9 minutes after 6.Draw the hands to show the time.4. 5. 9:15 7:20 10:55Circle thetime that makes sense. 2:00 am7. The time you are swimming 2:00 am8. Divide the rectangle into rows 9. Show two ways to divide theof squares. Add to find the rectangle in thirds.number of squares. 5 rows of 5 + number of squares Each share has boxes.166