Show:
Rounding
Estimate
Addition
Subtraction
Multiplication
100

Round to nearest ten 75 

80

100

Estimate the Difference 697-202

about 500 hundred 

100

133 + 25

158

100

700-150 

550

100

7 X 2

14

200

Round to nearest hundred 86

100

200

Estimate the difference 289-105 

about 200 

200

305 + 200

505

200

455-25

430

200

Write Multiplication equation 5+5+5+5 

5X4=20 

300
Round to nearest ten 566

570

300

Estimate the difference 810-197

about 600 

300

198 + 152 

350

300

443-122

321

300

5 X 7 

35

400

Round to nearest hundred 542

500

400

Estimate the sum 395 + 385 

about 800

400

395 + 105

500

400

566-233

333

400

5 X 5

25 

500

Round to nearest ten 286

290

500

Estimate the sum 488 + 106 

about 600
500

655 + 305 

960

500

788 - 432

356

500

Who has the most Stamps ? 

Ms. Prather has 5 packs of 3 stamps 

Ms. Shriver has 4 packs of 4 stamps 

Ms. Shriver