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DSPM 0700 Test 2 Review: Mathematics Problems, Exams of Elementary Mathematics

A review of mathematical problems for a test, including simplifying expressions, finding perimeters, deciding if numbers are solutions to equations, and performing various arithmetic operations. Students are encouraged to solve each problem and check their answers against the provided answer key.

Typology: Exams

Pre 2010

Uploaded on 08/16/2009

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DSPM 0700 TEST 2 REVIEW
Simplify the expression by combining like
terms.
1) 5x - 4 + 3x + 2
2) x - 23y + x + 23y
Multiply.
3) -11(23w)
4) 6(x - 7)
Simplify the expression.
5) -3(6x - 7) - 7x
Find the perimeter of the figure as indicated.
6) Find the perimeter of the trapezoid.
24y meters
12y meters 12y meters
30y meters
Decide whether the given number is a
solution of the given equation. Show all
work.
7) Is 12 a solution of y + 11 = 23 ?
8) Is 5 a solution of k - 4 = 3 ?
Solve the equation.
9) b + 15 = 3
10) 7x - 6x + 9 = 9
11) -2a = 14
12) n
5 = 3
13) -9x + 4 = 76
14) 3(x - 3) = 12
15) 8x + 9 = 4x - 3
16) 12x + 24 = 4x - 48
17) -5x = -3
18) 1
5n = 10
Write the phrase as a variable expression.
Use x to represent "a number."
19) Sixteen subtracted from a number
Write the sentence as an equation.
20) The sum of -34 and 32 is equal to
-2.
21) The product of 3 and a number
amounts to 30. Find the number.
of the fraction.
22) 1
7
Write a fraction to represent the shaded area
of the figure.
23)
24)
1
pf3
pf4
pf5

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DSPM 0700 TEST 2 REVIEW

Simplify the expression by combining like terms.

  1. 5x - 4 + 3x + 2

  2. x - 23y + x + 23y

Multiply.

  1. -11(23w)

  2. 6(x - 7)

Simplify the expression.

  1. -3(6x - 7) - 7x

Find the perimeter of the figure as indicated.

  1. Find the perimeter of the trapezoid.

24y meters

12y meters 12y meters

30y meters

Decide whether the given number is a solution of the given equation. Show all work.

  1. Is 12 a solution of y + 11 = 23?

  2. Is 5 a solution of k - 4 = 3?

Solve the equation.

  1. b + 15 = 3

  2. 7x - 6x + 9 = 9

  3. -2a = 14

  4. n 5

  1. -9x + 4 = 76

  2. 3(x - 3) = 12

  3. 8x + 9 = 4x - 3

  4. 12x + 24 = 4x - 48

  5. -5x = -

n = 10

Write the phrase as a variable expression. Use x to represent "a number."

  1. Sixteen subtracted from a number

Write the sentence as an equation.

  1. The sum of -34 and 32 is equal to -2.

  2. The product of 3 and a number amounts to 30. Find the number.

Identify the numerator and the denominator of the fraction.

  1. 1 7

Write a fraction to represent the shaded area of the figure.

Graph the fraction on a number line.

  1. 8 5

Simplify by dividing.

Write the fraction as an equivalent fraction with the given denominator.

; denominator of 26

Write the prime factorization of the number.

  1. 110

Simplify the fraction.

16x^3 y^2 120xy

Perform the indicated operation. Write the answer in simplest form.

 (^) 200y^3

Evaluate.

  1.  1 7

4

Perform the indicated operation. Write the answer in simplest form.

  1. 2x

2 5

 x

3 20

Evaluate the expression for the given replacement values. Write the answer in simplest form.

  1. xy for x  6 11

, y  -^11 30

Add or subtract as indicated. Write the answer in simplest form.

Evaluate the expression for the given replacement values. Write the answer in simplest form.

  1. x + y for x =^2 3

, y =^2 3

Solve. Write the answer in simplest form.

  1. s +^2 5

=^3

Find the LCD of the list of fractions.

f

Add or subtract as indicated. Write the answer in simplest form.

  1. 1 5

45) -^7

+^13

DSPM0700KF_F

Answer Key Testname: DSPM0700TEST2REVIEW

  1. 8x - 2

  2. 2x

  3. -253w

  4. 6x - 42

  5. -25x + 21

  6. 78y meters

  7. Yes

  8. No

  9. 0

  10. 15

  11. 7

  12. 3 5

  13. 50

  14. x - 16

  15. -34  32  -

  16. 10

  17. numerator: 1 denominator: 7

  18. 3 5

  19. 9 16

    

  1. undefined

  2. 0

  3. 12 26

  4. 2 ^5 ^11

  5. 8 9

2x^2 y 15

  1. -150y

  2. 1 2401

x

  1. -^1 5

  2. 8 15

  3. 3

  4. 4 3

  5. 1 5

  6. 15

  7. 8f

  8. 1 3

  9. -^17 24

5x - 108 12x

  1. 7 4

  2. 3 5

  3. 56x 85

52) 1^1

Answer Key Testname: DSPM0700TEST2REVIEW

56) 12^12

57) 5^1

DSPM0700KF_F