Essential Skills

Question 1

Rounding:

What are the rules to whether you should round up or down?

Answer 1

Less than 5: Round Down

5 or More: Round Up

Question 2

**Rounding: **

If a question asks to round to the nearest tenth, how many numbers after the decimal point is that?

Answer 2

2

Question 3

Equations:

What is the acronym for Order of Operations? What does each letter stand for?

Answer 3

**B **rackets

**E **xponents

**D **ivision

**M **ultiplcation

**A **ddition

**S **ubtraction

Question 4

Equations:

What does **BEDMASS **tell us to do?

Answer 4

What order each piece of the equation should be solved in

Question 5

Equations:

Try one of the examples using BEDMAS

Answer 5

1) (2x3-2²⁾+4 (6-1)
2) 12/4+8/2
3) [(8+6/3) -5^2]
4) 5+4/2

______

13-2x3

Question 6

Ratios:

What is a ratio?

Answer 6

A statement that compares two numbers with the same or no units

*Lowest Terms

Example:

A bag of jellybeans contains 40 red and 30 green jellybeans

40:30

= 2:3

Question 7

Rates:

What is a rate?

Answer 7

A statement that shows how one number changes based on another

*Can be written with a / or a :

Example: A car travels 40km in 60min

40/60 or 40:60

Unit Rate= 0.6 km/min

Question 8

Proportions:

What is a proportion

Answer 8

An equation that shows how two ratios or rates as equivilents

Question 9

Proportions:

If 2/23 = ?/92 What is the Missing Value?

Answer 9

*CROSS MULTIPLY*

Ask 23 multiplied by what wil give me 92? (Denominators)

Answer: 4

Multiply 2 by 4 to get the missing value. (Numerators)

Question 10

Percents:

What is a Percent?

Answer 10

A ratio in the form of

Percent/ 100

=

Part/ Whole Amount

Question 11

**Percent: **

If you got 13/20 On a Test, What would be your mark in percents?

Answer 11

*CROSS MULTIPLY*

13/20 = ?/ 100

20x5=100

Multiply 13 by 5 to find

Question 12

Percents:

If I bought a pair of boots that were $199.99 but were 60% off plus 13% sales tax, how much would my boots cost?

Answer 12

Step 1) Take the price and multiply it by your discount in decimal form

199.99 x 0.60= 119.99 (Discount)

Step 2) Subtract the regular price from the discount amount you saved

199.99-119.99= 80 (Sales Price)

Step 3) Take your sales price and multiply it by 1.13 to find the 13% sales tax

80x 1.13= $90.40

Therfore I would pay $90.40

Question 13

How do you check a soloution once its solved?

Answer 13

Take your answer and substitute the values found in your answer. Both sides of the equal sign should be the same/ equal.