Addition and Subtraction within 1,000

Rounding/Estimating

100

What is 146 rounded to the nearest ten?

What is 150?

200

Round each number to the nearest ten and estimate.
168+53. 

What is 220?

300

Round each number to the nearest hundred and estimate.
845+264.

What is 1,100?

400

Round each number to the nearest ten and estimate.
 431-57.

What is 370?

500

Round each number to the nearest hundred and estimate.
688-139.

What is 600?

Addition Properties

100

Which property is being used?

156+54=54+156.

What is the commutative property?

200

Which property states that any number added to zero will be that number?

What is the identity property?

300

Which property is being used below?

(674+286)+187 = 674+(286+187)

What is the associative property?

400

Rewrite this equation using the commutative property.

492+376=

What is 376+492? 

500

Rewrite this equation using the associative property.

(534+854)+429

What is 534+(854+429)?

Expanded Form

100

What is 724 in expanded form? 

What is 700+20+4? 

200

Solve 275+812 using expanded form. 

What is: 

200+70+5 

800+10+2 

——————-

1,000+80+7 = 1,087

300

Solve 349+643 using expanded form. 

What is: 

300+40+9 

600+40+3 

——————

900+80+12 = 992

400

Solve 264+579 using expanded form. 

What is: 

200+60+4

500+70+9

——————

700+130+13 = 843

500

Solve 1,423+234 using expanded form. 

What is: 

1,000+400+20+3

           200+30+4

——————————

1,000+600+50+7 =1,657 

Equations

100

Solve: 259+27

What is 286?

200

Solve: 573+296

What is 869? 

300

Solve: 756-373

What is 383? 

400

Solve: 600-78

What is 522? 

500

Solve: 1,000-355

What is 645? 

Word Problems

100

Carmen measures the width of a desk to be 153 centimeters. She then measures the width of a bookshelf to be 78 centimeters. How much wider is the desk than the bookshelf? 

What is 75 centimeters? 

200

The Empire State Building is 443 meters tall. Shanghai Tower is 632 meters tall. What is the combined height of these two buildings? 

What is 1,075 meters? 

300

Lea, the professional photographer took 436 pictures for Jennifer’s wedding. She took 674 pictures for Brandi’s wedding. How many more pictures did she take at Brandi’s wedding than Jennifer’s wedding? 

What is 238 pictures? 

400

Jack ordered 82 slices of pizza for his birthday party. Jill ate 34 slices of pizza. Monica ate 44 slices of pizza. Since they were running low, Jack ordered 26 more slices of pizza. How many slices of pizza were there at the end of the party? 

What is 30 slices of pizza? 

500

A school raises $1,456 in ticket sales for the fall concert. They raise $2,089 in ticket sales for the spring concert. If the concerts cost $3,000 to put on, how much money do they have leftover? 

What is $545?