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Leveled Problem Solving Grade 4 Think Math! Chapters 12-15

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Chapter 12 Lesson 1 1.On Wednesday, the temperature was 9 degrees colder than on Tuesday. What was the temperature on Wednesday? Explain. 2.On Wednesday, the temperature was -9° Celsius. Which of the three days was the coldest? Explain. 3.On Wednesday, the temperature was -9°, and on Thursday, it was -3°. Which of the four days was the coldest? Explain.

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Chapter 12 Lesson 2 1.Where is she now? Explain. 2.Then she jumps back another 2 spaces. Where is she now? Explain. 3.Then she jumps back another 2 spaces and forward 12 spaces. Where is she now? Explain.

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Chapter 12 Lesson 3 1.How many blocks is it from Leo’s home to the bank? Explain. 2.How many blocks is it from Leo’s home to the school? Explain. 3.How many blocks is it from the school to the bank? Explain.

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Chapter 12 Lesson 4 1.What figure does she draw? Explain. 2.She wants to change the length of AB so that it is the same length as BC. Will she shorten or lengthen AB? Explain. 3.Of points (0,0), and (1,1), and (1, -6), which is on a side of the triangle? Explain.

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Chapter 12 Lesson 5 1.He moves point S left to make Q and S the same distance from R. Where is S now? Explain. 2.He moves point Q up to make Q and S the same distance from R. Where is Q now? Explain. 3.Where does Gil place point T to complete a rectangle? Explain.

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Chapter 12 Lesson 6 1.Then she slides the points according to the rule (x, y-2). Where does (3,5) move? Explain. 2.Then she slides the points according to the rule (x + 6,y). Where does (4,1) move? Explain. 3.Then she moves the points according to the rule (x + 3, y – 1). Where are the points? Explain.

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Chapter 12 Lesson 7 1.What is the value of y when x = 0? Explain. 2.What is the value of y when x = 4? Explain. 3.What is the value of y when x = -8? Explain.

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Chapter 13 Lesson 1 1.How many cartons do they use? Explain. 2.After packing 10 cartons, how many more cartons do they need? Explain. 3.Can the packers take a break after exactly half the cartons are full?

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Chapter 13 Lesson 2 1.How many veggie burgers are in the packages Jessie has? Explain. 2.If all the veggie burgers are eaten, how many are eaten? Explain. 3.Ravi’s package is not used. How many veggie burgers are used?

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Chapter 13 Lesson 3 1.How many cartons does he sell in all? Explain. 2.After Jai sells the first 7 cartons, how many cartons are left? Explain. 3.He sells all of 3 cartons and then all of 2 more cartons. How many cartons are left? Explain.

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Chapter 13 Lesson 4 1.After unpacking 10 cartons how many sweaters are left to unpack? Explain. 2.The clerks unpack 20 cartons, take a break, and then unpack 10 more cartons. How many sweaters are left to unpack? Explain. 3.There are 6 cartons left after 3 clerks each unpack the same number of cartons. How many does each clerk unpack? Explain.

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Chapter 13 Lesson 5 1.After they use their tickets on 10 rides, how many tickets will they have left? Explain. 2.They use tickets for 20 rides. Then they use what is left for another 10 rides. How many tickets are left? Explain. 3.After they use tickets for 40 rides, how many rides can they still go on? Explain.

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Chapter 13 Lesson 6 1.David’s first estimate of the number beads in each box is 400. Is that a good choice? Explain. 2.What is the greatest number of hundreds that makes sense as a first estimate of the number of beads in each box? Explain. 3.After estimating 300 as the number of beads in each box, Janette’s next estimate is the greatest multiple of 10 that makes sense. What is it? Explain.

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Chapter 14 Lesson 1 1.What is the missing number? Explain. 2.What is the next number in the pattern? Explain 3.What would be the fifteenth number in the pattern? Explain.

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Chapter 14 Lesson 2 1.After he gives the bags to Jun, how many bags does Kevin have? Explain. 2.How many bags does Kevin have left? Explain. 3.How many marbles are in each bag if Jun gets 36 more marbles than Sam? Explain.

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Chapter 14 Lesson 3 1.What is an expression for the total number of cookies they both bring? Explain. 2.If Terrel brings 18 cookies, how many cookies do Geneva and Terrel bring altogether? Explain. 3.Eight guests each eat 3 cookies, leaving 6. How many cookies did Terrel Bring? Explain.

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Chapter 14 Lesson 4 1.How much did Jack earn by working after school? Explain. 2.How much did Jack earn an hour when he worked after school? Explain. 3.What equation describes Jack’s work? Explain.

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Chapter 14 Lesson 5 1.If the area of the smaller bedroom is 120 square feet, what could be the dimensions of the larger bedroom? Explain. 2.The larger bedroom is a square. The area of the smaller bedroom is 168 square feet. What are the dimensions of the larger bedroom? Explain. 3.The larger bedroom is a square. The smaller bedroom is 14 feet by 16 feet. What are the dimensions of the larger bedroom? Explain.

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Chapter 14 Lesson 6 1.What are the dimensions of the square? Explain. 2.The area of the rectangle is 1 square foot less than the area of the square. What are its dimensions? Explain. 3.The area of the rectangle is 1 square foot less than the area of the square. What is the perimeter of the rectangle? Explain.

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Chapter 15 Lesson 1 1.About how much does she pay for the stickers in all? Explain. 2.Each package has 32 stickers. About how many stickers are there in all? Explain. 3.Ms. Thomas has $60 to pay for the stickers. Does she have enough?

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Chapter 15 Lesson 2 1.The top of the box is a rectangle 9 cm by 12 cm. Are 100 tiles enough? Explain. 2.The top of the box is a rectangle 8 ½ cm by 13 cm. Are 100 tiles enough? Explain. 3.The top of the box is a rectangle 7 ½ cm by 12 ½ cm. Are 100 tiles enough? Explain.

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Chapter 15 Lesson 3 1.If the drawing is 9 inches long, what is the total length of the three classrooms? Explain. 2.Each room is 20 feet wide. How wide are the rooms in the drawing? Explain. 3.Each room is 24 feet long and 20 feet wide. What is the perimeter of the rooms on the drawing? Explain.

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Chapter 15 Lesson 4 1.Could you measure 4 quarts? Explain. 2.Could you measure 3 quarts? Explain. 3.Could you measure 1 quart? Explain.

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Chapter 15 Lesson 5 1.Who brought the greater volume of soft drink to the picnic? Explain. 2.The six-1quart bottles were used to fill drinking cups that each held 1 cup. How many cups could be filled? Explain. 3.The 1-liter bottles filled cups that each held ¼ liter. Which held more, a 1-cupdrinking cup or a ¼ liter drinking cup? Explain.

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Chapter 15 Lesson 6 1.Can he make a 15-lb weight? Explain. 2.Can he make a 2-lb weight? Explain. 3.Can he make a 9=lb weight? Explain.

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Chapter 15 Lesson 7 1.If Paulo weighs 95 pounds, how much does the backpack filled with books weigh? Explain. 2.If Paulo weighs 95 pounds, about how many kilograms does the backpack weigh? Explain. 3.If Paulo weighs 95 pounds, about how many grams does the backpack weigh? Explain.

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Chapter 15 Lesson 8 1.What is the weight of each bag in kilograms? Explain. 2.Write an equation with a variable that describes what is on the scale. Explain. 3.Dana takes 1 bag off the scale. Write an inequality to explain what the scale shows now. Explain.

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