Subtraction Across Zero
Subtraction with regrouping
Addition with Regrouping
Round to the nearest 10 and 100
Time
100

200-93=?

107

100

525-319=?

206

100

317+439=?

756

100

Round 273 to the nearest hundred

300

100

How many hours are in a day?

24 hours

200

207-159=?

48

200

679-481=?

198

200

597+184=?

781

200

Round 59 to the nearest 10

60

200

if it is half past 3, What time is it?

3:30

300

500-299=?

201

300

611-386=?

225

300

599+288=?

887

300

Round 50 to the nearest hundred

100

300

If is it quarter til 2, what time is it?

1:45

400

1,000 - 563=?

437

400

790-546=?

244

400

603+853=?

1,456

400

Between which two tens does 58 fall?

50 and 60

400

if it is 3:15 pm,  what time will it be in 2 hours and 15 minutes?

5:30 pm

500

2,009-1,257=?

752

500

1,004-875=?

129

500

2,457+1,636=?

4,093

500
Between which two hundreds does 395 fall?

300 and 400

500

If the soccer game starts and 5:20 pm and ends at 7:45 pm, how long was the soccer game?

2 hours and 25 minutes