13 free questions on the next cst s

13 Free Questions on the next CSTs

How to rob from the rich (test makers) … and give to the poor (your students,

who might score BASIC otherwise!)

Need 38 correct answers for “proficient”

Ye Olde Let x = Zero strategy

41

9

1

3 1

1

3 3

0 1

3 0 3

4 0 1

3 0 3

1

Standard 12 : 3 questions

2

2

6 12:3 11 20

x xSimplify

x x

A)

B)

2 3

52 3

5

x

xx

x

C)

D)

2 3

52 3

5

x

xx

x

Let x = 2

24 2 12

12 22 20

14

14

4 3

2 5

4 3

2 5

0 2 0 1 14x

Standard 4 : 3 questions 5

Technique will not usually work for

equationsOr when

denominator = 0.

8 102

24

16 4 8 4 16 2 2

Let x = 2

12 10 1210

Which fraction equals the product

5 3

2 5

43

15 3

10 2

7 7 1 4

4 8 1 2 1

7 1

4 2

7 3

4 0

42Standard 13 : 4 questions

Technique will not usually work when

denominator = 0.

Let x = 1

7 3 21

6 4 24

7 2

4 3

7 0

4 3

2 2

2 2

12 20 3 2 5 3

25 5 27 10

x x x x

x x x

6 1

56 1 5 2

5 1

6 1 5

5 1

6

A)

B)

C)

1 5 2

5D

1)

x

xx x

x x

x x

x x

x x

x x

3 3

25 10

3 10

25 3

2

5

1

5

2

5

5

5

2

5

13 Free Questions on the CSTs

How to rob from the rich (test makers) … and give to the poor (your students,

who might score BASIC otherwise!)

Ye Olde Graphing strategy

Standard 6: 4 questions

[C]

[D]

[A]

[B]

The graph could represent which equation?

x

y

2 1y x 2y x2 1y x 2 1y x

Slope is positive y-intercept is

negative

Ye Olde Graphing strategy

Standard 6: 4 questions

[C]

[D]

[A]

[B]

The graph could represent which equation?

x

y

2 1y x 2y x2 1y x 2 1y x

Slope is negative y-intercept is

negative

Which graph shows this linear equation?

3 4y x

x

y(A)

x

y(C)

x

y(D)

x

y(B)

Standard 9: 5 questions

[C]

[D]

[A]

[B]

The graph represents which inequality?2

23

y x

22

3y x

2 1y x

“<“ dotted“” Solid lineCheck (0,0)

22

3y x

22

3y x

Which graph shows this linear inequality? 2 3y x 0 ?0 ?3?

15.

10 0

2???1

0 1

21.

Which graph represents the solution to the system

2 1x y

2 5 10x y

A

D

C

B

(0,4)

(0,0)

0 0 1?

0 0 0?1

C

36.

For what values of x is y = 0?

Which is the graph of 23 2y x D

CB

A

Teach: Negative causes the parabola to open downward. When x = 0

Standard 21: 3 questions

Which equation best represents the function graphed?

2

2

2

2

A)

B)

C)

3 4

3 4

D

3 4

3 4)

y x

y x

y x

y x

Which equation best represents the function graphed?

2

2

2

2

A)

B)

C)

3 4

3 4

D

3 4

3 4)

y x

y x

y x

y x

Ye Olde Other strategyWork Backwards

27.

Work backwards

FOIL

28.

Work backwards

2 42x x 2 42 0x x

6 7 0x x

30.

Work backwards

2 6 16 0x x

2 8 0x x

Ye Olde Other strategyWork Backwards

“Back-2” List on scratch paper.

Do NOT write on the test, under penalty of

Eliminate all the weird choices

This presentation is a PowerPoint file and can be downloaded in its entirety from my website at: http://edtech.nmusd.us:8080/

Select “M”, then Charles Mabry, then the FOCUS tab on the left.

There is also a Powerpoint containing all of the released questions, and a “FourSquare” game for teaching the graphing strategy.

My email is: cmabry@nmusd.us