1
2
3
4
5
100

17 x 10

170

100
502 x 100

50,200

100

863 x 1,000

863,000

100

548 x 60

32,880

100

659 x 300

197,700

200

935 x 8,000

7,480,000

200

17 x 10²

1,700

200

19 x 10³

197,700

200

7,020 x 10²

702,000

200

Estimate the product

4,734 x 28

about 150,000

300

Estimate the product

7,651 x 46

about 400,000

300

Estimate the product

9,470 x 32

About 270,000

300

2,757 x 14

38,598

300

3,648 x 27

98, 496
300

8,359 x 55

459,745

400

680 ÷ 10

68

400

6,397 ÷ 28

228 R 13

400

295 ÷ 31 

9 R 16

400

1,200 ÷ 40

30

400

4,135 ÷ 14

295 R 5

500

51 - 17 + 37

71

500

81 ÷ 9 x 24

216

500

28 x (69 + 50)

3,332

500

120 ÷ {[48 ÷ (2 x 4)] - 2}

30

500

(24 - 16) x [ 48 ÷ (11+5)]

24