Pre-Algebra Club Midterm Review

Pre-Algebra Club

MIDTERM REVIEW

Poll

How well do you think you know all the material we've taught so far?

• Easy peasy, I could ace the midterm today!

• After some review, I'll be good

• I know some of the material

• Not well, I don't understand anything

Chapter 1

Numbers, GCF & LCM

Multiple Choice

Identify the number 10.34528400934528...

• Integer

• Rational

• Irrational

• I don't know!!

Fill in the Blanks

What is the absolute value of -17

Multiple Choice

Fill in the blank using ≠, =, or ≈ : 𝞹 ___ 3.14

• ≠

• =

• ≈

Multiple Choice

Find the prime factors of the following number: 50

• 2,5,3

• 2,5

• 7,5

• 11,7

Fill in the Blanks

Prime factorize 92 (list the factors from least to greatest):

Multiple Choice

Find the GCF and LCM of the following numbers: 18 and 21

• LCM-21, GCF-18

• GCF- 126, LCM- 3

• GCF- 18, LCM- 21

• GCF- 3, LCM- 126

Fill in the Blanks

Find GCF of 35, 49, and 77.

Chapter 2

Percents, Decimals, and Fractions

Multiple Choice

What is 2/5 + 1/4?

• 3/9

• 13/20

• 1/3

• 14/21

Multiple Choice

What is 4/5-2/3

• 2/15

• 1/15

• 1

• 2/2

Multiple Choice

What is 4/5 ÷ 6/10

• 4/3

• 3/4

• 24/50

• 50/24

Multiple Choice

3(4.2-1.18) + 5(0.99 + 2.98) =

• 30.01

• 29.81

• 28.91

• 27.58

Multiple Choice

0.01 x 2.3 =

• 0.23

• 0.023

• 0.0023

• 23

Multiple Choice

0.12 ÷ 96 =

• 0.0125

• 0.00125

• 0.125

• 0.000125

Fill in the Blanks

Convert from Percent to Decimal: 87%

Fill in the Blanks

Convert 54% into a fraction and SIMPLIFY:

Multiple Choice

20% of 7.5 plus 4.5 is

• 10

• 6

• 12

• 8

Multiple Choice

BRAIN BREAK: What do you call a group of giraffes?

• a herd

• a tower

• long necks

• that's random

Multiple Choice

BRAIN BREAK: What do you call a group of giraffes?

• a herd

• a tower

• long necks

• that's random

Chapter 3

Ratios, Conversions, and Rates

Multiple Choice

Simplify the following ratio: 15 : 25

• 30:50

• 5:3

• 3:5

• what in the world

Multiple Choice

7:5 is the same as

• 8:1

• 9:4

• 5:3

• 21/5 : 3

Multiple Choice

Lucas has a ratio of snakes to geckos of 3:5. If there were 96 reptiles in total, then how many of them were geckos?

• 60 geckos

• 56 geckos

• 62 geckos

• 48 geckos

Fill in the Blanks

Simplify the following ratio: 0.5 : 0.2 : 0.35

Multiple Choice

A farm has pigs, cows, and sheep. The ratio of pigs to cows is 0.7:0.8, and the ratio of cows to sheep is 0.16:0.36. There are 99 animals in total. How many sheep are on the farm?

• 54 sheep

• 45 sheep

• 56 sheep

• why do we care about sheep

Multiple Choice

At soccer practice, Hassan warms up by kicking balls at the goal. Yesterday, Hassan made 24 goals in 3 minutes. Today, he only spent 2 minutes kicking balls at the goal. If Hassan made goals at the same rate, how many goals did he make today?

• 16

• 12

• 4

• 36

Fill in the Blanks

A machine pitches baseballs at a rate of 35 pitches in 5 minutes. Chad practiced hitting for 8 minutes. How many baseballs were pitched to Chad in that time?

Chapter 4

Taxes and Tips

Fill in the Blanks

The sales tax rate is 8%. If Cassie buys a fountain priced at $85, how much tax will she pay?

Multiple Choice

Casey buys bracelets. She pays for the bracelet and pays $0.72 in sales tax. The sales tax rate is 6%. What’s the original price of the bracelet before the tax?

• $0.04

• $0.62

• $12.00

• $0.83

Multiple Choice

The price after a 7% tax is $74.90. What is the price before?

• $72

• $80.14

• $70

• 69.20

Fill in the Blanks

Mira has breakfast at a restaurant. She leaves a 20% tip of $1.80. What is the price of Mira’s breakfast, before tip?

Multiple Choice

You buy $12 worth of food at a restaurant. You wish to tip 10%. What is the bill after tip?

• food

• $13.20

• $13.30

• $12.30

Fill in the Blanks

What is the tip rate if Ally had to pay $1.47 for a $24.50 meal? Write your answer in percent.

Multiple Choice

BRAIN BREAK: How many legs does a lobster have?

• 11

• 10

• 8

• 6

Chapter 5

Discount and Markup

Fill in the Blanks

$27 is what percent of $45?

Multiple Choice

What is the sale price of a chalkboard originally priced at $44 after taking 75% off?

• $10.00

• $12.00

• $11.50

• $11.00

Multiple Choice

Olivia went on a shopping trip to Milford. She purchased a telephone originally priced at $25 but discounted 20%. If sales tax in Milford is 15%, what was the total cost?

• $23

• $20

• $25

• $30

Fill in the Blanks

Home depot has a massive christmas tree sale and decides to make it buy two and get the rest 50% off. Ted buys 4 for his own family and relatives. If one tree is originally 20 dollars, how much did Ted spend on 4?

Multiple Select

Which two claims is true about markup?

• retailers do it to lose money

• it is when they raise the price over what they paid

• it is when they lower the price to below what they paid

• retailers do it to make a profit

Multiple Choice

A toothbrush was originally priced at $2.75, but Bonnie waited to buy it until the toothbrush was on sale for 20% off. If she paid 15% sales tax on the sale price, how much did she pay in total?

• $2.20

• $2.53

• I DONT KNOW

• $3.10

Fill in the Blanks

Adam’s art gallery bought a photograph for $250. He then marked the price up 40%. What was the price after markup?

Multiple Choice

If the cost of a book is $12, and the bookstore sells it for a price of $16, what was the markup?

• 25

• 33.33

• 33.33%

• 25%

Multiple Choice

BRAIN BREAK: What food is the most ordered in America?

• burgers

• fried chicken

• pizza

• steak

Poll

How do you feel about the midterm after this review?

• AWESOME

• Still need a little studying, but I'm good

• eh

• AWFUL, I understood nothing!

THE END

Study for the Midterm!