I like reading!
Rocking aROUND the Christmas Tree
It's around this much...
Big big numbers here we come!
Even BIGGER numbers!
100

Sam had 34 chickens. His dad bought 42 more for their farm. How many chickens does he have now?

76 chickens

100

Round to the nearest thousand:


4,578

5,000

100

Estimate to the nearest hundred:


  5,912

+3,120

________

9000

100

   3,568                       

+ 5,691                           

9259

100

56 x 4

224

200

Lucy had 132 pennies in her purse. She dropped 43 of them on the ground. How many does she have now?

89 pennies.

200

Round to the nearest hundred:

3,910

3,900

200

Estimate to the nearest hundreds:


 3,924

-  764

________

3100

200

    5,679                  

 + 1,302

6,981

200

321 x 2

642

300

There were 158 cows eating in a field. When the farmer opened the barn door, 45 cows and 52 sheep entered the field. How many total cows are now in the field?

210 cows.

300

Round to the nearest ten:


5,678

5,680

300

Estimate to the nearest thousands:

   6,430

+ 3,978

________

10,000

300

      5,978        

  -   3,159    

2,819

300

450 x 4

1,800

400

57 kids were playing at East Park. There were 14 more kids playing at East Park than at West Park. How many kids were playing at West Park?

43 kids.

400

Round to the nearest hundred:

4,978

5,000

400

Estimate to the nearest thousands:


 3,951

-1,457

_______

3000

400

   9,342

-  3,159                

6,183

400

3,218 x 6

19,308

500

Jane wanted to read 100 books by the end of the year. So far, she’s read 52. How many more books does she need to read to reach her goal?

48 books left.

500

Round to the nearest ten:


6,398

6,400

500

Estimate to the nearest tens:

   4,297

+ 2,679

________

6,980

500

   4,329                  

-  3,978

351

500

14,980 x 3

44,940