Pre-Algebra Demystified

SOLUTION

16,

3,

13,

EXAMPLE

Subtract: 3,497
659.

SOLUTION

214 817 borrowing numbers

3 ; 4 9 7


 65 9

2 ; 83 8

Math Note: To check subtraction, add the difference to the sub-

trahend to see if you get the minuend.

Check

3,497 2,

 659 þ 659

2,838 3,

PRACTICE

Subtract:

1. 732
   65


2. 14,375
   2,


3. 325,671
   43,


4. 12,643,271
   345,


5. 7,000,000
   64,

ANSWERS

1. 667

2. 11,

3. 281,

4. 12,298,

5. 6,935,

6 CHAPTER 1 Whole Numbers