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Try It Out -- Chapter 8, Lesson 4



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 
 
Suppose you want to build a shape in this pattern that uses 18 stars.

images/i0020000.jpg
 

 1. 

Select the equation to determine the shape number.

a.
s + 5 = 18
b.
3s = 18
c.
s - 5 = 18
 
 
Bill and Tamsin are playing a number guessing game. Bill  thinks of a number, triples it, and adds 2. The result is 11.
 

 2. 

Select the equation Tamsin would use to find Bill’s number.
a.
3n X 2 = 11
b.
3n - 2 = 11
c.
3n + 2 = 11
d.
2n + 2 = 11
 

Matching
 
 
Order the steps Tamsin used to solve the equation.
a.
9 divided by 3 is 3. The number must be 3.
b.
Tamsin subtracted 2 from 11.
c.
3n must equal 9.
 

 3. 

What is the first step?
 

 4. 

What is the second step?
 

 5. 

What is the third step?
 

Numeric Response
 
 
Solve each equation.
 

 6. 

10a + 4 = 24,  a = ____.

 

 7. 

6 + s = 27,  s = ____.

 

 8. 

2c + 5 = 15,  c = ____.

 

 9. 

12d - 7 = 65,  d = ____.

 
 
images/i0170000.jpg
 

 10. 

Caleb and John are building this toothpick pattern. What is the greatest number of hexagons they can build with 101 toothpicks using this pattern?

 



 
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