### About Multiplication:

We can easily multiply single digit whole numbers without the use of a pencil and paper. When we start multiplying multi-digit whole numbers, it becomes more difficult to perform the operation in one’s head. Generally we multiply two or more multi-digit whole numbers using vertical multiplication.

Test Objectives

- Demonstrate the ability to multiply two-digit whole numbers using vertical multiplication
- Demonstrate the ability to multiply multi-digit whole numbers using vertical multiplication
- Demonstrate the ability to use the carrying process

#1:

Instructions: Find each product.

a) 510 x 9

b) 437 x 3

c) 1064 x 2

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#2:

Instructions: Find each product.

a) 139 x 15

b) 14,275 x 24

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#3:

Instructions: Find each product.

a) 116,315 x 472

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#4:

Instructions: Find each product.

a) 63,755 x 4006

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#5:

Instructions: Find each product.

a) 112,964 x 100,503

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Written Solutions:

#1:

Solutions:

a) 4590

b) 1311

c) 2128

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#2:

Solutions:

a) 2085

b) 342,600

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#3:

Solutions:

a) 54,900,680

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#4:

Solutions:

a) 255,402,530

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#5:

Solutions:

a) 11,353,220,892