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 multi-digit whole numbers using vertical multiplication
•Demonstrate the ability to multiply more than two multi-digit whole numbers using vertical multiplication
•Demonstrate the ability to use the carrying process
Vertical Multiplication Test:
#1:
Instructions: Find each product.
a) 510 x 9
b) 437 x 3
c) 1064 x 2
#2:
Instructions: Find each product.
a) 139 x 15
b) 14,275 x 24
#3:
Instructions: Find each product.
a) 116,315 x 472
#4:
Instructions: Find each product.
a) 63,755 x 4006
#5:
Instructions: Find each product.
a) 112,964 x 100,503
Written Solutions:
Solution:
a) 4590
b) 1311
c) 2128
Solution:
a) 2085
b) 342,600
Solution:
a) 54,900,680
Solution:
a) 255,402,530
Solution:
a) 11,353,220,892