Round the Factors to Estimate the product

697 x 82 $\approx$   

• 700 x 90 = 63,000

• 600 x 90 = 54,000

• 700 x 80 = 56,000

• 600 x 80 = 48,000

Tags

CCSS.4.NBT.B.5

5,897 x 67  $\approx$  

• 6,000 x 70 = 420,000

• 6,000 x 60 = 360,000

• 5,000 x 70 = 350,000

• 5,000 x 60 = 300,000

8,840 x 45  $\approx$  

• 8,000 x 40 = 320,000

• 8,000 x 50 = 400,000 

• 9,000 x 40 = 360,000

• 9,000 x 50 = 450,000

3,409 x 73  $\approx$  

• 3,000 x 70 = 210,000

• 3,000 x 80 = 240,000

• 4,000 x 70 = 280,000

• 4,000 x 80 = 320,000

82,290 x 240  $\approx$  

• 90,000 x 200 = 18,000,000

• 80,000 x 200 = 16,000,000 

• 90,000 x 300 = 27,000,000

• 80,000 x 300 = 24,000,000

9,832 x 39  $\approx$  

• 9,000 x 30 = 270,000

• 9,000 x 40 = 360,000

• 10,000 x 40 = 400,000

• 10,000 x 30 = 300,000

751 x 34  $\approx$  

• 700 x 30 = 21,000

• 800 x 30 = 24,000

• 700 x 40 = 28,000

• 800 x 40 = 32,000

627 x 674  $\approx$  

• 600 x 600 = 360,000

• 700 x 700 = 490,000

• 600 x 700 = 420,000

• 500 x 700 = 350,000

Tags

CCSS.4.NBT.B.5

7,939 x 541  $\approx$  

• 8,000 x 500 = 4,000,000

• 8,000 x 600 = 4,800,000

• 7,000 x 500 = 3,500,000

• 7,000 x 600 = 4,200,000

Tags

CCSS.4.NBT.B.5