Rounding
Addition
Subtraction
Multiplication
Scary Unknown
100

Round to the nearest ten. 


36

40

100

Add.

43 + 37

80

100
Subtract. 


25-17

8

100

Multiply.

6 x 8

48

100

8 x 7 =

56

200

Round to the nearest hundred. 


438

Trick or treat! TRIPLE points!! 

400

200

Add.


35 + 93

128

200
Subtract.


59-36

23

200

57 x 6


BOO! Double points!

342

200

Multiply.

1,387 x 6 = 

8,322

300

Round to the nearest thousand.


3, 592

4,000

300

Add. 

329 + 429

758
300

Subtract.

BOO! Double the points!

40,000 - 23,489

16,511

300

Multiply.


49 x 5

245

300

Mutliply.

70 x 90

6300

400

Round to the nearest thousand.


68,221

68,000

400

Trick or treat! Double or nothing!

Add.

4,329 + 2,875

7,204

400

Subtract.


5234 - 1678

3,556

400

Multiply.


34 x 67

2,278

400
Estimate the product.

BOO! Double points!


39 x 24 = 

800

500

Round to the nearest ten thousand. 


42,493

40,000

500

Add.

59,298 + 7,652


Too scary....you lose 100 points! 

66,950

500

Subtract.

48,251 - 14,999

33,252

500

76 x 32

2,432

500
Multiply using any strategy. 


49 x 37

BOO! Too scary...Only worth half points :(

1,813