Home Chapter 13 Practice Test

# Practice Test

Strategies for Whole-Number Computation

This activity contains 9 questions.

## One of the benefits of invented strategies is that

 Computation is enhanced Invented strategies make sense Students make fewer errors Students perform better in standardized testing

## Begin addition and subtraction algorithms with

 Addition before subtraction Written records Procedural strategies Models

## Any strategy other than the traditional algorithm and that does not involve the use of physical materials or counting by ones is called a/an ________ strategies.

 invented algorithmic constructed creative

## Students often use invented strategies for take away subtraction such as 64 - 15. These strategies include all of the following EXCEPT

 Take away fives by thinking 64 -- 5 = 59 and 59 -- 5 = 54 and 54 -- 5 = 49 Take tens from the tens and then subtract ones by thinking 60 -- 10 = 50 and take away 5 more which is 45 now add in the 4 to make 49 Take away extra tens, then add back in by thinking 64 -- 20 = 44 adding in 5 is 49 Take away tens and then ones by thinking 64 -- 10 = 54 and 54 -- 5 is 49

## Describe the benefits of invented strategies.

 To create paragraphs in your essay response, type

at the beginning of the paragraph, and

at the end.