Rounding to the nearest 10
Rounding to the nearest 100
Story problems
Constant difference
Fun Trivia
100

33 rounded to the nearest 10

30

100

75 rounded to the nearest 100

100

100

The third grade had 256 students. Over winter break 78 students moved away, but 26 new students moved in. How many students are now in third grade?

204

100

Use the constant difference to solve 439-123

440-124 or 436-120. Both equal 316

100

What magic item brings Frosty to life?

"That old silk hat they found"

200

107 rounded to the nearest 10

110

200

324 rounded to the nearest 100

300

200

Ariah was selling tickets to her dance recital. On Monday she sold 57 and on Tuesday she sold 39. How many did she sell in all?

96

200

Use the constant difference to solve 678-231

680-233 or 677-230. Both equal 447

200

How many days long is Hanukkah?

8 days.

300

995 rounded to the nearest 10

1,000

300

1,876 rounded to the nearest 100

1,900

300

Mrs. Williamson was reading a book after school. She was on page 134. There were 345 pages in all. How many more pages does she have to read?

211 pages

300

Use the constant difference to solve 321-79

320-78 or 322-80. Both equal 242

300

In the song "12 Days of Christmas", what was given on the 5th day

5 golden rings

400

1,256 rounded to the nearest 10

1,260

400

649 rounded to the nearest 100

600

400

This month the second and third graders at Pataskala Elementary School had a constest to see who could read the most books. By the end of the month, the third graders read 475 books and the second graders read 457 books. Who won the contest? How many more books did they read?

The third graders by 18 books

400

Use the constant difference to solve 832-438

830-436 or 834-440. Both equal 394

400

Name all of Santa's reindeer

Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donner, Blitzen and Rudolph.

500

4,555 rounded to the nearest 10

4,560

500

5,956 rounded to the nearest 100

6,000

500

Bryce and Nora were collecting rocks after school. Bryce collected 246 and Nora collected 487. How many did they collect in all?

733 rocks

500

Use the constant difference to solve 767-351

770-354 or 766-350. Both equal 416

500

Before Christmas lights were invented, what did people put on their Christmas tree to light it?

Candles

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