Multiplication Strategies

Mental Multiplication

100

4 x 600 = 

2,400

200

8 x 90 = 

720

300

2 x 800 = 

1,600

400

4 x 300 = 

1,200

500

8 x 7,000 = 

56,000

Estimating/Rounding Numbers

100

Estimate 756

800

200

Estimate 547

500

300

Estimate 2,875

3,000

400

Estimate 35,392

40,000

500

Estimate 629,758

600,000

Multiplication with Estimation

100

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

3,500

200

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

1,200

300

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

3,600

400

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

3,000

500

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

180,000