Standard Form
Multiplication with decimals
Estimation
100
Three Thousand, five hundred twenty two 

What is 3,522?

100

3.2 x 41

What is 131.2?

100

Round and estimate the product to 4.1 x 67

What is 4 x 70=280?

200

Ten thousand five 

What is 10,005?

200

5.1 x 36

What is 183.6?

200

Round and estimate the product 5.1 x 83=

What is 5 x 80= 400

300

One hundred ninety-eight thousand, three hundred seventy-two

What is 198,372?

300

6.5 x 43

What is 279.5?

300

Round and estimate the product to 7.8 x 44=

What is 8 x 40= 320

400

One hundred nine thousand, five hundred four 

What is 109,504?

400

67 x 9.2

What is 616.4?

400

Round and estimate the product to 5.5 x 679

What is 6 x 700= 4,200

500

Five million, three hundred sixty-two thousand eighty-four

What is 5,362,084?

500

5.72 x 32 

What is 183.04?

500

Round and estimate the product to 5.2 x 4125

What is 5 x 4,000= 20,000

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