Addition
Subtraction
Rounding
Two-Step Problems
100

273 + 481

754

100

528-123

405

100

What is the closest multiple of 10 to 56

What is the closest multiple of 100 to 56

60

100

100

There are 4 tables in the cafeteria with 9 students eating lunch at each table. There are also 177 students waiting in line for lunch at the cafeteria. Write an equation that represents the situation. 

(4 x 9) + 177= x 
200

253 + 89

342

200

228-118

110

200

What is the nearest multiple of 10 to 653? 

What is the nearest multiple of 100 to 653? 

650, 700

200

There are 4 tables in the cafeteria with 9 students eating lunch at each table. There are also 177 students waiting in line for lunch at the cafeteria.

Find the answer for this problem, using an equation. 

213 students

300

436 + 173

609

300

658-342

316

300

Round each number to the nearest 10 and 100: 

242

240, 200

300
Pull up image


What is the equation of this image?

104 + (3 x 8)= x 

400

787 + 135

922

400

784-239

545

400

What are all the numbers that round to 250 when rounded to the nearest 10? 

245, 246, 247, 248, 249, 250, 251, 252, 253, 254

400

Pull up image

What is the answer for this image? Show your work! 

128

500

247 + 395

642

500

700-342

358

500

What numbers round to 250 when rounded to the nearest ten and round to 300 when rounded to the nearest hundred? 

250, 251, 252, 253, 254

500

There are about 600 seats in the auditorium. There are about 210 students from Chris' school and 280 from Cindy's school. They estimate that there will be about 100 seats that are empty. Do you agree? Show your work, using your estimating skills. 

Yes, it is approximately 100 seats (200 + 300)=500