Show:
Addition
multiplication
Rounding to the nearest hundred
subtraction
time
100

129+341

170

100

10X55

550

100

Round 252 to the nearest hundred 

300

100

1656-1646

10

100

If baseball starts at 4:30 and ends at 5:30 how long is baseball 

1:00

200

359+321

680

200

100X46

4600

200

Round 112 to the nearest hundred 

100

200

2222-2112

110

300

2345+2345

4690

300

50X69

6,900

300

8888-8765

123

400

9999+8711

18710

400

100X99

9900

400

9999-1234

8765

500

1245+345

1579

500

111X211

23,421

500

9,999-2,345

7654