Show:
Mental Multiplication
Estimating/Rounding Numbers
Multiplication with Estimation
100

4 x 600 = 

2,400

100

Estimate 756

800

100

Estimate and find the product (x) of: 45 x 72

3,500

200

8 x 90 = 

720

200

Estimate 547

500

200

Estimate and find the product (x) of: 43 x 27 

1,200

300

2 x 800 = 

1,600

300

Estimate 2,875

3,000

300

Estimate and find the product (x) of: 38 x 87

3,600

400

4 x 300 = 

1,200

400

Estimate 35,392

40,000

400

Estimate and find the product (x) of: 61 x 54

3,000

500

8 x 7,000 = 

56,000

500
Estimate 629,758

600,000

500

Estimate and find the product (x) of: 579 x 293

180,000