Rounding to the Nearest Ten
Rounding to the Nearest Hundred
Using Strategies to Subtract
Using Strategies to Add
Word Problems
100

Round 28 to the nearest 10.

30

100

Round 283 to the nearest hundred.

300

100

Use any strategy to find the difference between 384 and 122. 

262

100

Use any strategy to find the sum of 323 + 242

565

100

Third grade students at Hosea Elementary school collected 507 cans of food for a fundraiser. The fourth grade students collected 435 cans. How many cans did the students collect in all?

942

200

Round 58 to the nearest 10.

60

200

Round 249 to the nearest hundred.

200

200

Use the Break Apart Strategy to find the difference between 582 and 239. 

343

200

Use the Break Apart Strategy to find the sum of 184 and 274.

458

200

Third grade students at Hosea Elementary school collected 507 cans of food for a fundraiser. The fourth grade students collected 435 cans. How many more cans did the third grade class collect than the fourth grade class?

72

300

Round 65 to the nearest 10.

70

300

Round 401 to the nearest hundred.

400

300

Use Base 10 Blocks pictures to find the difference between 891 and 293.

598

300

Use Base 10 Block pictures to find the sum of 203 +123

326

300

122 + 8 + 20 + ___ = 170, so 170 - 122 = ____

20, 48

400

Round 12 to the nearest 10.

10

400

Round 555 to the nearest hundred.

600

400

Odesza earned 107 Hawk Bucks. She spent 25 to buy something from the Hawk Store. How many Hawk Bucks does she have left to spend?

82

400

Ulises wants to buy a game online that is 596 points. He earned 293 points on Monday and 300 points on Tuesday. Does he have enough points to buy the game?

No, Ulises does not have enough points to buy the game. He is short by 3 points.


293 + 300 = 593 (which is not enough for the game that is 596 points)

400

394 + 6 + 300 + ____ = 702, so 702 - 395 = ____

2, 308

500

Round 289 to the nearest 10.

290

500

Round 2648 to the nearest hundred.

2600

500

Use the adding on with a number line method to show the difference between 849 and 752

97

500

Use the stacked method to find the sum of 284 and 520. 

804

500
248 + 2 + 50 + ____ = 500, so 500 - 248 = ____

300, 352