Addition
Subtraction
Rounding
Mystery
100

200 + 600 = ?

200 + 600 = 800

100

Find 600 - 250 = ? 

600 - 250 = 350 

100
Round 114 to the nearest tens (10) 

114 rounds down to 110. 

100

289 + 204 = ? 

289 + 204 = 493

200

345 + 692 = ?

345 + 692 = 1,037

200

Find the difference between 762 and 458.

762 - 458 = 304. The difference is 304.

200

Round 564 to the nearest hundred (100) 

564 rounds up to 600

200

382 - 69 = ? 

382 - 69 = 313

300

194 + 567 = ? 

194 + 567 = 761 

300

849 - 524 = ? 

849 - 524 = 325

300

Round 1,442 to the nearest ten(10) AND hundred (100) 

TENS - 1,442 rounds down to 1,440

HUNDREDS - 1,442 rounds down to 1,400 

300

Round 451 to the nearest 100.

451 rounds up to 500.

400

Isabel scores 218 points bowling. Jean scores 194 points. How many points do they score in all? 

They score 412 points in all. 

400

James and Marla each have a bag of marbles. James has 229 marbles. Marla has 455 marbles. How many more marbles does Marla have than James?

455 - 229 = 226 

Marla has 226 more marbles than James

400

Round 968 to the nearest hundred (100) 

968 rounded to the nearest 100 is 1,000

400

Today's temperature is 52 degrees. Tomorrow will be 7 degrees warmer. What will tomorrow's temperature be? 

52 + 7 = 59
Tomorrow's temperature will be 59. 

500

Break apart numbers to add 548 + 391. Show your work.

500 + 40 + 8

300 + 90 + 1

500 + 300 = 800 

40 + 90 = 130 

8 + 1 = 9

800 + 130 + 9 = 939  

500

5,767 - 158 = ? 

5,767 - 158 = 5,609

500

What would $2.68 round to the nearest whole dollar? 

$2.68 would round to $3.00 whole dollars. 

500

Tyler, Krys, and Aliyah collect stickers. Tyler has 367 stickers. Krys has 862 stickers. Aliyah has 743 stickers. How many stickers do they have all together? 

367 + 862 + 743 =1,972 

They have 1,972 stickers all together. 

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