CA 1 Review 6th Grade

6.2

100

2A; What is a whole number, an integer, and a rational number? Give examples of each.

Whole number: positive whole numbers used to count and zero (0,1,2,3...etc.)

Integer: whole numbers and some fractions and their negatives (1, (-1), 2, (-2), 3 (-3)....etc)

Rational Number: decimals and fractions that can be positive or negative (1/2, 1.5, (-1/2), (-1.5)....etc)

200

2D; put these numbers in order from greatest to least

(-9/30), 0.5, (-2)

G 0.5 --- (-9/30) ---- (-2) L

300

2E - At a school bake sale, the ratio of chocolate chip cookies to oatmeal cookies is 5:3. If there are 40 chocolate chip cookies, how many oatmeal cookies are there?

24 oatmeal cookies

400

2D - Mia is organizing a charity walkathon. She plans to walk 3 miles every day for 4 days. On the 5th day, she will walk double the distance she walked on the other days. Write an expression to represent the total number of miles Mia will walk during the 5 days and calculate the total distance.

Mia will walk a total of 18 miles during the 5 days

500

2A; 

Samantha is helping her little brother, Jake, with his math homework. Jake has to calculate the total number of books he can read over the next 4 weeks. Each week, he plans to read 3 books, and on the last week, he will read 2 extra books.

Write an expression to represent the total number of books Jake will read and find the total number of books he can read in 4 weeks.

Jake will read a total of 14 books in 4 weeks.

6.3

100

3A - (3/4) x (1/2)

3/8

200

3B - Determine whether (5/6) x (9/10) will be less than or greater then (5/6)

(45/60) -- simplified (3/4), so it is less then (5/6)

300

3C - 

Emma is tracking the temperature changes throughout the day. In the morning, the temperature is 5°C. By noon, the temperature rises by 8°C, and in the evening, it drops by 3°C.

What is the temperature in the evening?

The temperature in the evening is 10°C

400

3D - 

Alex is playing a game where he earns or loses points based on his actions. At the start of the game, Alex has 25 points.

• Round 1: Alex earns 12 points for completing a challenge.
• Round 2: Alex loses 7 points because of a mistake he made.
• Round 3: Alex completes another challenge and multiplies his points by 2 as a bonus.
• Round 4: In the final round, Alex’s score is divided by 5 as part of the final scoring rule.

What is Alex’s final score after all the rounds?

Alex’s final score is 12 points

500

3E - 

Lily is organizing a charity event and needs to buy supplies for gift bags. She decides to buy bags of candy and packages of bookmarks.

• Each bag of candy costs $3.75, and Lily buys 6 bags.
• She also buys 4 packages of bookmarks, and each package costs $2.50.

Lily decides to divide the total cost of all the items by the number of guests attending the event. If there are 30 guests, how much will each guest contribute toward the total cost?

Each guest will contribute $1.08 toward the total cost

6.4

100

4B - 

Emma is planning a road trip and needs to decide which of two cars to take based on fuel efficiency and cost.

• Car A has a fuel efficiency of 30 miles per gallon (mpg), and fuel costs $4.00 per gallon.
• Car B has a fuel efficiency of 25 miles per gallon (mpg), and fuel costs $3.80 per gallon.

If Emma plans to drive 600 miles for the trip, which car will cost less in fuel, and by how much?

• Based on fuel efficiency and cost, Car A will cost $11.20 less than Car B for the 600-mile trip

200

4E - 

In a school garden, there are 80 plants in total. The plants are divided into two types: flowering plants and vegetable plants.

• (3/8) of the plants are flowering plants, and the rest are vegetable plants

30 of them are flowering plants

300

4G - 

Olivia is looking to buy a new laptop. The original price of the laptop is $900, and the store is offering a 20% discount on all laptops.

Part 1:

1. What is the fraction equivalent of the 20% discount?

The fraction equivalent of 20% is (1/5)

400

4H - 

Emily is planning to build a fence around her garden. The garden is 5 meters long and 3 meters wide. Emily needs to calculate the total length of fencing required to go around the entire garden. However, the fencing is sold in feet, and Emily wants to know how many feet of fencing she will need.

Part 1:

1. What is the total length of fencing in meters needed to go around the garden?

Emily needs 16 meters of fencing to go around the garden.

500

6.5B - 

Sarah is shopping for a jacket that is on sale for 30% off. The sale price of the jacket is $42. Sarah wants to know the original price of the jacket before the discount.

Part 1:

1. What was the original price of the jacket?

The original price of the jacket was $60