STAAR BLITZ: MATH REVIEW - 6th Grade

Combining Like Terms

100

14m  + 11 - 9m + 1

5m + 12

200

27x - 25x + 9 + 5

2x + 14

300

3r + 1 + 6x + 9r + 3x + 9

12r + 9x + 10

400

12x + 11s + 8x + 12 - 5s - 12

20x + 6s

500

9 + 4x +12y +2x + 6 - 4y

6x -8y + 15

Equivalent Expressions

100

Are 3x + 3 and 3x(1 + 1) equivalent expressions? 

No, they are not equivalent expressions. 

200

Are 3(2x + 4x) and 10x + 8x equivalent expressions?

Yes, they are equivalent expressions because they both equal 18x

300

Are 2x + x - x + 4x and 7x equivalent expressions?

No, they are not equivalent expressions because 2x + x -x = 2x  and 2x + 4x = 6x

400

Are 4x + 8 and 2(2x + 4) equivalent expressions?

Yes, they are equivalent expressions.

500

Are 8x + 11 and 8(x + 3) equivalent expressions?

No, they are not equivalent expressions because 8(x+3) is equal to 8x + 24

Distributive Property

100

3(6x + 2)

18x + 6

200

9(4 - 2x)

36 - 18x  or -18x + 36

300

6(2x - 6) + 2

12x - 36

400

3(3x+5) 

9x + 15

500

1/2(4x + 10x)

7x

Order of Operations

100

23 + 9 - (4⋅8)

0

200

(9⋅2) ÷ 3 + 14

20

300

36 ÷ 3⋅ 2

24

400

13 + (17 - 5) ⋅ 8 / 2

61

500

38 ⋅ 3 - 20 ÷ 2 + 6

110

Evaluating Expressions

100

Evaluate 4(y-5) 

if y=9

16

200

Evaluate  5² + n

  n = 4

29

300

Evaluate  7(x+3)     if x = 6  

63

400

Evaluate    2³ + 3²

17

500

Evaluate    16x + 2y    if x = -2,  y = 8

-16

Mixed Bag

100

-9 + 5

-4

200

1/2 + 4/5 = 

Keep answers as improper fractions in simplest form.

13/10 

300

3/5 * 2/3

Keep answers as improper fractions in simplest form. 

2/5

400

7 /  (3/4)

28/3

500

What is 675% expressed as a fraction?

27/4