# Lesson 6 – Writing Numbers That Satisfy Given Parameters

Objective:

At the end of this lesson, students should be able to write numbers that satisfy given parameters.

Sometimes, you could be asked to write numbers that satisfy certain parameters or conditions.

USING DIGITS TO MAKE NUMBERS, SMALLEST AND LARGEST POSSIBLE NUMBERS.

Example 1

Write any three numbers you can make using all the following digits.

1) 9, 3, 7, 8, 2

2) 3 , 0 , 6, 5, 1

3)4 , 2 , 1 , 8, 0

NOTE: these are open ended questions with several correct answers.

Solution

1) Using the digits 9, 3, 7, 8, 2, you can make

(a) 97,328   (b) 23,987   (c) 78,329.

2) Using the digits 3, 0, 6, 5, 1, you can make

(a) 10,653   (b) 65,310   (c) 51,603.

3) Using the digits 4, 2, 1, 8, 0, you can make

(a)18,024, (b) 4 2,180   (c) 81,204.

Example 2

Write the largest possible number using the following digits.

1. 8, 6, 0 , 8 , 9 ………….. 98860
2. 5, 7, 1, 1, 3 ……………..  75311

Write the smallest possible number using all the following digits.

1. 6, 9, 0, 1, 4   …………………. 10469
2. 3, 3, 5, 1, 2    ………………..   12335

NOTE: If 0 is one of the digits it cannot be written as the first number because a number cannot begin with a 0. Since you cannot start a number with 0, you write the second smallest digit first before the 0. The zero then becomes the second digit as in the example above.

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