Multiply by Tens
Estimation
Box Method
Traditional X
Vocabulary
100

36 x 10 =

What is 360?

100

Round these factors to the nearest ten to estimate the product.  29 x 26 =

What is 900?

100

18 x 39 =

What is 702?

100

26 x 35 =

What is 910?

100

a number that is multiplied by another number

What is a factor?

200

53 x 30 =

What is 1,590?

200

Round these factors to the nearest ten to find the product.  57 x 32 =

What is 1,800?

200

17 x 48?

What is 816?

200

46 x 35 =

What is 1,610?

200

a number that is the product of that number and any other whole number

What is a multiple?

300

80 x 80 =

What is 6,400?

300
Round these factors to the nearest ten to find the product.  91 x 64 =

What is 5,400?

300

33 x 64 =

What is 2,112?

300

73 x 51 =

What is 3,723?

300

the answer to a multiplication problem

What is the product?

400

38 x 50 =

What is 1,900?

400

Round these factors to the nearest ten to find the product.  73 x 91 =

What is 6,300?

400

73 x 34 =

What is 2,482?

400

59 x 47 =

What is 2,773?

400
the products of ones and tens that must be added together

What are partial products?

500

56 x 70

What is 3,920?

500

Round these factors to their greatest place values to find the product.  324 x 51

What is 15,000?

500

82 x 22 =

What is 1,804?

500

79 x 73 =

What is 5,767?

500

In the equation 32 X 10 =320, the multiplication symbol represents this process.

What is operation?