tredyffrin/easttown school district / overview€¦ · web viewa store sent out 5,221...

Chapter 2: Adding and Subtracting Whole Numbers and Money

2-1 Mental Math: Adding: Seatwork:

Add: Try to use mental math

37 + 55 = ________ 73 + 49 = ________

98 + 22 = ________ 10 + 99 = ________

86 + 10 = ________ 55 + 55 = ________

63 + 63 = ________ 72 + 39 = ________

38 + 46 = ________ 17 + 91 = ________

Problem Solving

Last week a pie shop sold:• 12 cherry pies• 6 pumpkin pies• 18 apple pies

How many pies were sold altogether? _____________________________

Andre wants to put 63 of his stickers in a book.• He wants stickers on more than 1 page.• He wants more than 1 sticker on each page.• He wants the same number of stickers on each page.

Show 2 different ways Andre could put his stickers in the book. Put the answersin the spaces provided.

_____ pages with _____ stickers on each page

_____ pages with _____ stickers on each page

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2-1 Mental Math: Adding: Homework: ________________________

Add: Try to use mental math

17 + 90 = ________ 91 + 98 = ________

73 + 46 = ________ 82 + 51 = ________

83 + 48 = ________ 97 + 24 = ________

69 + 85 = ________ 35 + 74 = ________

78 + 93 = ________ 87 + 34 = ________

Problem Solving

1. Tim bought 2 paintbrushes that each cost $2.50. He also bought 1 bucket that cost $1.50.

How much did Tim pay in all?_____________________________

2. What is three thousand fourteen and eight-tenths written in standard form?

_____________________________

3. A store sent out 5,221 announcements last year. Which shows the word form of 5,221?

A five thousand twenty-oneB fifty thousand two hundred twenty-one.C fifty-two thousand twenty-oneD five thousand two hundred twenty-one

4. At the school carnival, the principal selected 4 tickets for a door prize. The ticket numbers are shown below.79342794328125481204

Order the ticket numbers from least to greatest. ________________________________

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________________________________________________________________________

2-2 Mental Math: Subtracting: Seatwork:Subtract: Try to use mental math

32 − 15 = ________ 72 − 63 =________ 72 − 15 = ________

70 − 17 = ________ 95 − 61 = ________ 59 − 28 = ________

84 − 51 = ________ 90 − 56 = ________ 78 − 49 = ________

36 − 20 = ________ 70 − 28 = ________ 74 − 16 = ________

Problem Solving

1. Rob’s car had 16 gallons of gas. On a 55 mile drive, the car used 3 gallons. Which shows how to find how many gallons were in the car after the drive?

A 16 + 3 B 55 + 3 C 16 – 3 D 55 – 3

2. The pictograph below shows the number and kinds of birds in a pet shop.

How many finches are in the pet shop?

A 4 B 8 C 12 D 16

Jeff bought 62 ice cream cones. He ate 15 ice cream cones. What does Jeff have now? (besides a stomach ache?

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________________________________________________________________________

2-2 Mental Math: Subtracting: Homework: __________________

99 − 25 = ________ 88 − 61 = ________ 91 − 78 = ________

88 − 60 = ________ 53 − 49 = ________ 68 − 26 = ________

98 − 14 = ________ 70 − 47 = ________ 72 − 45 = ________

88 − 39 = ________ 80 − 46 = ________ 62 − 10 = ________

Problem Solving

Sam has 52 baseball cards. His brother takes away 25 of his cards. How many cups does Sam have left?

Scot has 85 M & Ms. Scot ate 33 of them. How many M & Ms does Scot have left?

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Use mental math and the Olympic chart to answer the questions below.

1. How many more gold medals were won by The United States than France?

_________________

2. How many more silver medals were won by China, The United States, and Japan combined than South Korea?

_________________


2-3 Estimating: Seatwork:Complete the Following Problems Using Estimation

1. 365 _______ 2. 1,429 _______

+ 5 28 + _______ + 8, 293 + _______

_______ _______

3. 762 _______ 4. 8,925 _______

- 3 76 - _______ - 4 ,077 - _______

_______ _______

5. 919 _______ 6. 3,252 _______

+ 1 91 + _______ + 2,2 9 3 + _______

_______ _______

7. 27,832 _______ 8. 38,734 _______

- 1 8 ,376 - _______ - 3 4 ,577 - _______

_______ _______

9. 32,655 _______ 10. 121,629 _______

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+ 35, 2 58 + _______ + 4 8 ,347 +_______

_______ _______

2-3 Estimating: Homework: __________________Complete the Following Problems Using Estimation

1. 438 _______ 2. 919 _______

+ 8 5 + _______ + 1 91 + _______

_______ _______

3. 787 _______ 4. 813 _______

- 2 2 2 - _______ - 2 9 0 - _______

_______ _______

5. 6,742 _______ 6. 4,374 _______

+ 8 84 + _______ - 1, 6 14 - _______

_______ _______

7. 28,807 _______ 8. 75,295 _______

- 3 ,499 - _______ - 9 ,750 -_______

_______ _______

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9. 75,629 _______ 10. 27,832 _______

+ 3, 3 31 + _______ + 18, 4 45 +_______

_______ _______2-4 Overestimates & Underestimates: Seatwork:

Estimate each sum or difference. Then, if possible, tell if your estimate is an over estimate or underestimate.

1. 365 400 2. 335 300 + 568 + 600 + 218 + 200

1,000 500overestimate underestimate

3. 722 4. 267 - 1 43 + 4 8 8

5. 888 6. 667 + 4 51 - 2 51

7. 923 8. 332 - 3 21 + 4 49

9. 14,255 10. 15,555 - 12 , 3 33 + 1 8 , 7 77

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Curtis needs $275 for a new surfboard. He has saved $122. He earned $82 from work. About how much more does Curtis need? Tell whether your estimate is an overestimate or an underestimate. __________________________________________________________________________________________________________________

2-4 Overestimates & Underestimates: Homework:Estimate each sum or difference. Then, if possible, tell if your estimate is an over estimate or underestimate.

1. 365 400 2. 335 300 + 568 + 600 + 218 + 200

1,000 500overestimate underestimate

3. 886 4. 723 - 3 57 + 4 45

5. 635 6. 543 + 3 43 - 1 32

7. 785 8. 751 - 3 62 + 1 89

9. 29,255 10. 33,321 - 1 2 ,333 + 15 , 4 34

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Shemp needs $467 for a new bike. He has saved $213. He earned $197 from work. About how much more does Shemp need? Tell whether your estimate is an overestimate or an underestimate. __________________________________________________________________________________________________________________2-5 Adding Whole Numbers & Money: Seatwork:

Add:

1. 237 2. 7,777 3. $ 10.85+ 355 + 625 + 65.30

______ ______ ______

4. Last week, Andrew and Jennifer went on a road trip. Andrew drove 7,966 miles and Jennifer drove 1,779 miles. Overall, how many miles did they travel?

_____________________________________________________________

5. 9,321 6. 43,901 7. $27,832+ 5,939 + 7,899 + 46,079

______ ______ ______

8. A team of engineers built a dam over a large river. In the process, they created a lake covering 7,535 hectares of farmland, as well as 1,925 hectares of forest. How many hectares does the lake cover?

_____________________________________________________________

9. 478,395 10. 7,243,526 11. $ 189.65

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+ 855,268 + 1,968,978 + 575.89

______ ______ ______

2-5 Adding Whole Numbers & Money: Homework:Add:

1. 459 2. 4,444 3. $ 13.72+ 577 + 281 + 34.26

______ ______ ______

4. A crayon company recently changed its labels. It currently has 2,965 crayons with the old label and 1,532 crayons with the new label. How many crayons does the company have in stock?

_____________________________________________________________

5. 6,098 6. 38,723 7. $25,123+ 2,626 + 5,795 + 54,678

______ ______ ______

8. Before December, customers buy 5,698 ear muffs from the mall. During December, they buy 6,387 more, and there are none left. In all, how many ear muffs do the customers buy?

_____________________________________________________________

9. 354,926 10. 3,427,256 11. $ 311.87+ 275,450 + 4,524,5374 + 353.67

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______ ______ ______

2-6 Column Addition: Seatwork:

1. 286 2. $ 26.07 3. 24219 4.91 206

+ 83 + 19.38 + 817

______ ______ ______

4. Mr. Adlin bought 342 bananas on Tuesday. He bought 1,246 bananas on Wednesday. He then bought 6,734 bananas on Thursday. How many does Mr. Adlin have now?

_____________________________________________________________

5. 69 6. $20.32 7. 2,844358 19.75 3,916 97 6.42 104

+ 523 + 3.18 + 2,753

______ ______ ______

8. Last year at Booneville's airport, 3,171 passengers landed in June. 6,060 passengers landed in July. 5,633 landed in August. In all, how many passengers landed in Booneville last year?

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Crossing the River A farmer is trying to cross a river. He is taking with him a rabbit, carrots and a fox, and he has a small raft. He can only bring 1 item a time across the river because his raft can only fit either the rabbit, the carrots or the fox. How does he cross the river. (You can assume that the fox does not eat the rabbit if the man is present, you can also assume that the fox and the rabbit are not trying to escape and run away)2-6 Column Addition: Homework:Add:

1. 782 2. $ 56.93 3. 2,154 297 78.23 8,543

+ 11 + 50.00 + 3,478

______ ______ ______

4. The Mr. Kardasis has 8,587 PokeMon cards, and 9,549 Yugioh cards, and 3,368 Digimon cards. Together, how many cards does he have?

_____________________________________________________________

5. 613 6. $275.25 7. 1,714 824 36.19 3,923 176 1.05 104

+ 202 + 1.10 + 3,753

______ ______ ______

8. A famous singer has a fan club with members all around the universive. Among its members are 9,924 Vulcans and 1,709 Klingons and 3,236 Romulans. How many members does the fan club have?

_____________________________________________________________

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Math Riddle: How can you add eight 8's to get the number 1,000? (only use addition) The key to this math riddle is realizing that the one place must be zero,. 888 +88 +8 +8 +8 =1,000

2-7 Subtracting Whole Numbers & Money: Seatwork:Subtract:

Complete the Following Problems

1. 1,234 - 365 1234 2. 33.50 - 2.18 33.50Restack - 365 Restack and line

up. + 2.18

and line up 869 NOTE THE DECIMAL

31.32

3. 756 -421 = 4. $89.32 - $5.32=

5. 4,221 - 343 = 6. $89.34 - $9.32 =

7. 985 - 325 = 8. $25.36 - $3.62 =

9. 21,552 - 12,333 10. $45.12 - $2.36=

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Mr. Walther spent $ 13.58 on a Tickle Me Elmo doll. Mr. O’Hara spent $ 6.41 on a Cookie Monster figure. How much more did Mr. Walther pay?

2-7 Subtracting Whole Numbers & Money: Homework:Subtract:

Complete the Following Problems

1. 365 + 1,234 365 2. 3.35 + 21.80 3.35Restack + 1,234 Restack and line up. + 21.80and line up 1,599 NOTE THE DECIMAL 24.15

3. 886 -357 = 4. $ 72.3 - $ 4.45=

5. 343 - 65 = 6. $ 543.13 – $ 57.22=

7. 7,856 - 362 = 8. $ 751.22 - $ 18.92 =

9. 22,925 - 12,131 = 10. $ 15.43 - $ 8.91 =

Mr. Adlin ran a race in 19.23 seconds. Mr. O’Hara finished in 32.23 seconds. What was the difference between their times?

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2-9 Looking For Patterns: Seatwork:

Write a rule that describes the patterns. Then draw the next three figures in that pattern.

Directions: Write the next three terms in the patterns below

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2-9 Looking For Patterns: Seatwork:

Fill in the missing numbers in the sequences below:

26, 22, 18, _______ 10, _______

36, 30, 24, _______ 12, _______

7, _______ 21, 28, _______ , 42

12, 24, 36, _______ 60, _______

Fill in the Empty Boxes

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2-9 Looking For Patterns: Homework:

Directions: Write the next three terms in the patterns below

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Draw the next figure(s) in the patterns below.

2-9 Looking For Patterns: Homework:

Fill in the missing numbers in the sequences below:

45, 40, 35, _______ 25, _______

16, 24, 32, _______ 48, _______

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18, _______ 36, 45, _______ , 63

2, 4, 8, _______ 32, _______

Use the table to answer the questions below.

2-11 Matching Words with Number Expressions: Seatwork:Remember that Parentheses ( )tell which operation to do first in a number expression

Choose the correct number expression that matches the words. Then solve.

1. Carly had 40 stickers. She gave out 8 on Monday and 6 on Tuesday.

(40 – 8 ) – 6 or 40 – (7- 5) answer: __________________

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2. Mr. O. made 22 Tikis in 2011. He sold 5 in March and 4 more in April.

22 – (5 + 4) or (22 - 5) + 4 answer: __________________

3. Lorenzo had 30 stickers. He gave out 3 on Monday and 4 on Tuesday.

(30 – 3 ) – 4 or 30 – (3 - 4) answer: __________________

4. Erik earned $13. Then he earned $7. He spent $5

13 – (7 + 5) or (13 + 7) - 5 answer: __________________

5. Kallie had 36 flowers. She got 9 more . She then gave Lily 10.

(36 – 9 ) – 10 or (36 + 9) - 10 answer: __________________

6. Shane has 24 hats. He gave 3 to Matt and 7 to Zach.

24 – (3 + 7) or (22 - 7) + 3 answer: __________________

7. 15 Representatives from Pennsylvania and 2 from Maine agreed to support a Bill. Then 5 Representatives from New Jersey joined them. How many supported the Bill

(15 +2) - 5 or (15 + 2 ) + 5 answer: __________________

2-11 Matching Words with Number Expressions: Homework:

Remember that Parentheses ( )tell which operation to do first in a number expression.

Choose the correct number expression that matches the words. Then solve.

1. Anna had 28 stickers. She gave out 7 to Olivia and 3 to Mrs. Lyford.

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(28 – 7 ) – 3 or 28 – (7- 3) answer: __________________

2. Annaliese made 22 pictures. She sold 8 in June and 7 more in July.

22 – (8 - 7) or (22 - 8) - 7 answer: __________________

3. Avery had 25 erasers. He gave out 6 on Monday and 7 on Tuesday.

(25 + 6 ) +7 or 25 – (6 + 7 ) answer: __________________

4. Kendall met3 Phillies. She met 6 Eagles . She met 5 Flyers.

3 + (6 -5) or (6 + 3) +5 answer: __________________

5. Lily had 19 pencils. She got 5 more . She then gave away 9 to Stephanie.

(19 + 5 ) – 9 or (19 + 9) - 5 answer: __________________

6. Christian has 13 mints. He gave 4 to Carli and 3 to Syndey.

13 – (4 -3 ) or 13 – (4 + 3 ) answer: __________________

7. Illinois has 18 Representatives. Maine has 2 Representatives. Oklahoma has 5 representatives. Michigan has 15 Representatives. How many more Representatives does Illinois have than Maine and Oklahoma combined?

(18 + 2) + 5 or 18 – (2 + 5 ) answer: __________________

2-12 Matching Words with Number Expressions: Seatwork:

Algebra: Addition solve for the letter

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Algebra: Subtraction solve for the letter

2-12 Matching Words with Number Expressions: Seatwork:

Algebra: Addition solve for the letter

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Algebra: Subtraction solve for the letter

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Lee bought 12 bananas. He ate 6 bananas. How many does Lee have now?

Lee had 7 pencils. He gave Paul 5 pencils. How many did Lee have left?

At a busy ant colony, there are 8,753 ants inside the ant hill and 6,064 exploring outside. How many ants total are there?

There were originally 4,091 houses in Morgan County. During a housing boom, developers built 9,449 more. How many houses are there now in Morgan County?

http://reading-sage.blogspot.com/2012/06/pssa-released-test-pssa-practice-test.html

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tredyffrin/easttown school district / overview€¦ · web viewa store sent out 5,221...

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