Unit 2 Math Review

Powers of 10

100

What is 10²

100

200

What is 10X10X10X10 in exponential notation? 

10⁴

300

Calculate 67x10⁵

6,700,000

400

Calculate 8.93 x 10²

893

500

0.87365 x 10⁵

8736.5

Written, Expanded and Standard Form

100

Write 100+60+8 in standard form

168

200

Write 9853 in expanded form.

9000+800+50+3

300

What is sixteen thousand nine hundred eight-seven in standard form? 

16,987

400

800000 + 6000 + 900 +80 +3 equals what number in written form? 

eight hundred six thousand nine hundred eighty three

500

Write this number in word form 9,736,251.45

nine million seven hundred thirty six thousand two hundred fifty one and forty five hundredths

Multidigit Multiplication

100

89 * 6

534

200

28 * 14 

392

300

845 * 7

5915

400

97 * 26

2,522

500

302 * 46

13,892

Orders of Operations

100

What does PEMDAS stand for? 

Parentheses, Exponents, Multiplication, Division, Addition, Subtraction 

200

What should you do first in this equation? 8*7+6-12/4

Multiplication 

300

Solve: 8 * (12-4) + 16

80

400

Solve ((8*3)-16)+4*9

44

500

Solve: 9*((18/3)-(2*2))+75/5

33

Writing Expressions

100

Add 5 and 9. Then, subtract 3.

5 + 9 − 3

200

Divide 20 by 3. Then, subtract 8.

20 ÷ 3 − 8

300

Which of the following is true about the expression given below? 3 * (3,400 + 1775)

The expression is three times the sum of 3,400 + 1775

400

Subtract 6 from 20. Then, divide by 7

(20-6)/7

500

Write and expression that is 200 more than (27 × 41).

(27 X 41) + 200