Addition
Estimating to Add
Subtraction
Subtraction Across Zeros
Word Problems
100

74,962 + 4,996 =

79,958

100

Estimate the sum to the nearest hundred and find the sum.

635 + 957 =

600 + 1,000 = 1,600

635 + 957 = 1,592

100

6,686 - 1,443 =

5,243

100

700 - 24 =

676

100

In August, Jo's Pizza Shop sold 7,236 pizzas.  In September, 5,957 pizzas were sold.  What is the total number of pizzas sold?

13,193 pizzas

200

218,389 + 426,749 =

645,138

200

Estimate the sum to the nearest thousand and find the sum.

5,317 + 1,734 =

5,000 + 2,000 = 7,000

5,317 + 1,734 = 7,051

200

7,088 - 6,575 =

513

200

3,000 - 2,450 =

550

200

On Saturday, 85,968 people went to a festival.  On Sunday, 74,084 people went to the festival.  How many more people went on Saturday than Sunday?

11,884 people

300

143,355 + 96,078 + 311,163 =

550,596

300

Estimate the sum to the nearest ten thousand and find the sum.

24,300 + 10,125 =

20,000 + 10,000 = 30,000

24,300 + 10,125 = 34,425

300

95,487 - 61,628 =

33,859

300

63,000 - 48,673 =

14,327

300

There were 130,453 pairs of skates rented at an ice rink in the first year.  The second year, 108,626 pairs were rented.  In the third year, 178,119 pairs were rented.  How many pairs were rented in the first two years?

239,079 pairs of skates

400

DuJuan used addition properties to rewrite the equation below.  Select all the equations DuJuan might have written:

125 + 300 + 75 = n

A) 300 + 125 + 75 = n

B) 125 + 300 =n

C) 300 + 75 + 75 =n

D) (300 + 75) + 125 = n

E) (125 + 75) + 300 = n

A, D, E

400

Estimate the sum to the nearest hundred and find the sum. 

5,323 + 2,611 =

5,300 + 2,600 = 7,900

5,323 + 2,611 = 7,934

400

143,355 - 47,777 =

95,578

400

31,030 - 27,426 =

3,604

400

Brandon and Thomas recorded the number of miles they ran over two years.

Brandon:                             Thomas:

Year 1 - 1,362                      Year 1 - 948

Year 2 - 982                         Year 2 - 1,013

Part A

How many more total miles did Brandon and Thomas run in year 1 than year 2?

Part B

Estimate how many more miles were ran in year 1 than year 2 by rounding each number to the nearest hundred and solving.

Part A:

315 more miles

Part B:

300 miles

500

Write the number that makes the number sentence true.  Then write what property of addition the number sentence shows.

(4,200 + 75) + 5 = _________ + (75 + 5)

4,200

Associative Property

500

Estimate the sum to the nearest thousand and find the sum. 

95,487 + 61,628 =

95,000 + 62,000 = 157,000

95,487 + 61,628 = 157,115

500

Kira wants to subtract 7,634 - 935.  Select all of the following which could be used to find 7,634 - 935.

A) Subtract 900, then subtract 30, then add 5

B) Subtract 900, then subtract 40, then add 5

C) Subtract 900, then subtract 30, then subtract 5

D) Subtract 900, then subtract 40, then subtract 5

B, C

500

400,000 - 36,281 =

363,719

500

Use the following information about number of people at each game to solve the problem.

Game 1: 5,753 people

Game 2: 2,250 people

Game 3: 3,160 people

Part A

Estimate the attendance by rounding each number to the nearest thousand and finding the sum.


Part B

What is the total attendance for all of the games?

Part A:

6,000 + 2,000 + 3,000 = 11,000 people

Part B:

5,753 + 2,250 + 3,160 = 11,163 people

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