ALP Math
Index Assessments Lessons Vocabulary Rubrics Home
Federal Way Public Schools  
Number Sense
Lesson 3
Understanding Operations on Numbers
  Objectives/Vocab/Tips > Examples 1 | 2 | 3 | 4 > Practice: 1 | 2 | 3 | 4 | 5 > Reflection

Example 1:

Find the difference of the following:

$257.35 - $68.27

  1. $181.08
  2. $189.80
  3. $189.08
  4. $195.62

One way to solve this problem is:

Step 1: Arrange the problem with the decimals and place values lined up.

  $ 2 5 7 . 3 5
- $   6 8 . 2 7

Step 2: Subtract.

  $ 2 5 7 . 3 5
- $   6 8 . 2 7
  $ 1 8 9 . 0 8

Step 3: Letter C is the correct choice for this problem.

©Internet Academy