8th Grade Q1 Benchmark Review

Exponent Rules

100

What is the value of 4^{4 ?} 

256

200

4³ x 4⁴ x 4

4⁸

300

(x^-4)³

1 / x¹²

400

7¹⁰ / 7⁸

7²

500

8^-4 / 8⁷

1 / 8¹¹

Scientific Notation

100

Convert to Standard Form

1.23 x 10^-4

0.000123

200

Convert to Scientific Notation

4,375,000,000,000

4.375 x 10¹²

300

Give the answer in both scientific notation AND standard form.

(4.2 x 10⁵) + (2.5 x 10⁴)

445,000

4.45 x 10⁵

400

Put answer in both scientific notation AND standard form

6 x 10⁸ / 3 x 10⁵

2 x 10³

500

Put the following in least to greatest

9.5 x 10²

4,500 (4.5e3)

1.2 x 10³

13,000 (1.3e4)

9.5 x 10²

1.2 x 10³

4,500

13,000

Mixed

100

Write in scientific notation

7.2e-4

7.2 x 10^-4

200

Do the following measurements make a right triangle?

6cm, 8cm, 10cm

yes

300

Between which 2 whole numbers would the square root of 72 be in a number line?

between 8 and 9

400

NO CALCULATOR

7 - 9 + 2 - 13

-13

500

Determine the missing measurement. Round to the nearest hundredths place. (Must be rounded correctly!)

a=13 yds , b=15yds

side c (the hypotenuse) is ABOUT 19.85 yards

Expressions and Equations

100

Solve for x: 3x + 6 = 18

4

200

Determine the value of j.

0.5(4x - 10) = 4j - 15

j = 5

300

Determine the number of Solutions, if it is one solution, determine the solution: 

-5(y - 4) = -2y + 10 - 3y

No solution

400

10 - y   = 12

   2        

-14

500

Determine the number of Solutions AND if it is one solution, determine the solution: 

-7x - 15 + x = 14x + 45

One Solution and x = -3