Adding Whole Numbers
Subtracting Whole Numbers
Using Addition and Subtraction to Compare
Perimeter for Rectangles
Perimeter for Composite Shapes
100

What is the sum of 35,248 + 2,384? 

37,632

100

What is the difference? 

571,630 - 84,015

487,615

100

Emma has 124 stickers. Jack has 36 stickers.
How many more stickers does Emma have than Jack?

88 stickers 

100

A rectangle has a length of 8 meters and a width of 4 meters. What is the perimeter of the rectangle in meters? 

24 meters 

100

A playground is shaped like an L.

  • The longer vertical side is 18 m.

  • The shorter vertical side is 10 m.

  • The longer horizontal side is 14 m.

  • The shorter horizontal side is 6 m.

What is the perimeter of the playground?

Draw it on the board 

64 m

200

What is the sum?

6,329 + 43,758

50,087

200

What is the difference between 34,762 and 18,091?

16,671

200

How much greater is 468,522 than 174,212? 

294,310

200

A diagram shows the plan for McKenzie's square garden. How many feet of fencing will she need to put a fence around her garden. 

Draw square on the board with one side labeled 6ft.

24 feet. 
200

A park is shaped like an L.

  • The tall vertical side is 12 m.

  • The short vertical side is 8 m.

  • The long horizontal side is 10 m.

  • The short horizontal side is 4 m.

What is the perimeter of the park?

Draw it on the board

44 m 

300

Hannah wrote the number 168,395. Alex wrote the number 681,368. What is the estimated sum of their numbers rounded to the nearest hundred thousand? 

900,000

300
Round each number to the nearest thousand and then subtract. 


88,641 - 9,145 

79,000

300

Carlos has a goal of reading 4,250 pages. He reads 376. 

How many more pages does Carlos need to read to reach his goal? 

3,974 pages 

300

The width of a field is 12 yards, and the length is 2 yards longer than the width. What is the perimeter of the field in yards? 

52 yards

300

A rectangle is 10 m long and 6 m wide. A smaller rectangle that is 4 m long and 2 m wide is attached to the right side of it to make an L-shape.
What is the perimeter of the new shape?

Draw model on the board.

44m

400

James has a goal of reading 3,360 page. He reads 393 pages. 

James writes the expression 3,400 + 400 to estimate how many more pages he needs to read. Is his estimate reasonable? 

No, he should have subtracted from 3,400 instead of adding. 

400

The total attendance for a fair last year was 134,759 people. The total attendance this year was 120,862 people. How many fewer people attended the fair this year than last year? 

13,897 people

400

Liam has 238 baseball cards. His friend Noah has 175 baseball cards.

  1. How many more cards does Liam have than Noah?

  2. If they combine their cards, how many cards do they have altogether?

1. 63 cards

2. 413 cards 

400

The length of a rectangle is 7 inches. The width of a rectangle is 3 inches. What is the perimeter of the rectangle? 

20 inches

400

A rectangle is 12 m long and 8 m wide.
A smaller rectangle that is 6 m long and 4 m wide is attached to the top of it, making a T-shaped figure.

What is the perimeter of the new shape?

Draw it on the board.

48m

500

4,768 + 9,453 + 7,629 = ?

21,850

500

A stadium can hold 8,302 people. At last night’s game, 4,687 people attended.
How many more seats were empty than filled?

3,615 seats 

500

A library has 462 fiction books and 389 nonfiction books.

  1. How many more fiction books are there than nonfiction books?

  2. If the library buys 125 more fiction books, how many fiction books will there be in total?

1. 73 books

2. 587 fiction books

500

A rectangular garden is 248 feet long and 175 feet wide. Maria builds a walkway around the entire garden that adds 12 feet to each side of the length and width.
What is the new perimeter of the garden with the walkway?

942 feet

500

Start with a rectangle that is 15 m long and 9 m tall. A smaller rectangle measuring 5 m by 4 m is removed from the top-right corner (so the cut-out removes 5 m from the right side and 4 m from the top).


What is the perimeter of the remaining shape? 


48m