6th Grade Math Quarter 1 CBA

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Questions and Answers

Which set of numbers could be placed in Section B of the Venn diagram?

{-5, 0.5, 2.5, 3.7}

{-2.23, -1.78, 3.99, 5.19} (correct)

Not here

{–6, –3, –1, 0, 1, 3, 6}

What is the best representation of a diver located 20 feet below the surface of the water on a number line?

-20 (correct)

-10

Which of the following numbers is considered a rational number?

0.333... (correct)

√2

Which of the following correctly lists these numbers in ascending order: {3, -1, 4, 0}?

-1, 0, 3, 4 Signup and view all the answers

If a number is less than zero, which of the following statements is correct?

It is a rational number. Signup and view all the answers

Which of the following terms describes a number that can be expressed as a fraction?

Rational number Signup and view all the answers

Which number is not a rational number?

√5 Signup and view all the answers

In a Venn diagram, what do overlapping sections typically represent?

Common elements between sets Signup and view all the answers

What expression was Jason simplifying?

-6 ÷ -6 Signup and view all the answers

Which expression correctly represents the temperatures Brand 2 can withstand?

-62 + -5 = -57 Signup and view all the answers

What is the total yards gained or lost by the team during the first four plays?

-3 yards Signup and view all the answers

After simplifying, which of the following represents a true equality regarding Jason's initial expression?

-6 ÷ -6 = 1 Signup and view all the answers

Which expression shows an incorrect calculation of temperatures for Brand 2?

-62 + 5 = -67 Signup and view all the answers

How would Brand 1's antifreeze withstand temperature be mathematically adjusted for Brand 2?

Subtract 5 from -62 Signup and view all the answers

Which of the following correctly states the result of the combined plays of the football team?

-6 + 7 - 15 + 11 Signup and view all the answers

If the first play was -6 yards, which of the following plays resulted in the highest gain?

Fourth play: 11 yards Signup and view all the answers

What is the value of │–8│?

8 Signup and view all the answers

Which statement correctly describes the representation of │–8│?

It reflects the distance from 0 on a number line. Signup and view all the answers

Which equation models the operation of removing a negative integer?

7 – (–4) = 11 Signup and view all the answers

What does the equation 7 + (–4) = 3 represent?

Combining a positive integer with a negative integer. Signup and view all the answers

When simplifying the expression 11 – (–7), what is the first step?

Add 11 and 7. Signup and view all the answers

What is the outcome when simplifying 11 – (–7)?

18 Signup and view all the answers

If Brady modeled an equation with integer chips, which of the following represents a possible equation?

7 – 4 = 3 Signup and view all the answers

When using integer chips, what would a positive integer chip and a negative integer chip represent?

The cancellation of values. Signup and view all the answers

What is the correct order of the weights of the snacks from lightest to heaviest?

Whole-grain Pretzels, Mixed Dried Fruit, Cheese Squares, Sesame Sticks Signup and view all the answers

Which of the following fractions correctly represents the distance from Sarah's house to her school?

7/1 Signup and view all the answers

If the total weight of mixed dried fruit is 2 pounds, which snack would likely weigh the least?

Whole-grain Pretzels Signup and view all the answers

Considering the weights given, which of the following orders would place Cheese Squares second heaviest?

Mixed Dried Fruit, Whole-grain Pretzels, Cheese Squares, Sesame Sticks Signup and view all the answers

What distance does Sarah live from her middle school in a different unit when it is converted from kilometers to miles, approximately?

4.43 miles Signup and view all the answers

From the given options, which combination would have a total weight less than the weight of Sesame Sticks?

Whole-grain Pretzels and Mixed Dried Fruit Signup and view all the answers

Which snacks would be ranked as the heaviest if Cheese Squares weighed 3 pounds and Mixed Dried Fruit weighed 2 pounds?

Sesame Sticks, Cheese Squares, Whole-grain Pretzels Signup and view all the answers

Which fraction could represent a portion of the distance Sarah travels to her school?

5/7 Signup and view all the answers

What decimal and percent represent the fraction of a tank of gasoline Carol's car used?

0.125 and 12.5% Signup and view all the answers

What is the decimal equivalent of the fraction representing the number of girls selected for the soccer team?

0.2 Signup and view all the answers

Which option presents the correct decimal representation for the selection of girls?

0.2 Signup and view all the answers

What percentage corresponds to the decimal 0.875?

87.5% Signup and view all the answers

Which representation correctly describes a set and its subset?

Every element of a set is part of its subset. Signup and view all the answers

Which of the following combinations represents a common misconception about set relationships?

A set cannot contain its subsets. Signup and view all the answers

What is an incorrect statement about the relationship between the set of all integers and its subsets?

Integers can only be subsets of even numbers. Signup and view all the answers

Which of the following statements correctly identifies a property of decimal-to-percent conversion?

To convert a percent to decimal, divide by 100. Signup and view all the answers

Study Notes

Absolute Values and Opposites

Absolute value represents the distance a number is from zero on a number line; |-8| is the distance from -8 to 0.
|–8| is non-negative; it does not represent a negative number or a negative distance.

Integer Operations with Models

Integer chips can visually model addition and subtraction involving integers.
Example equation modeled: 7 + (-4) = 3 can represent a net gain when combining positive and negative integers.

Simplifying Expressions

When simplifying an expression like 11 – (–7), a model can help demonstrate the removal of a negative sign.
Understanding how to operate with negative integers is key for simplification.

Division of Negative Integers

Simplifying expressions like -6 ÷ -6 requires pairing counters, useful in understanding division with negatives.
Modeling and understanding the meaning behind the numbers is essential.

Real-Life Applications of Negative Numbers

A product, like antifreeze, claims to withstand extreme temperatures; knowing how to express this mathematically (like -62 + -5) is vital.
Real-world contexts can help illustrate the importance of understanding negative numbers and expressions.

Total Yardage and Net Calculation

Total yards gained or lost in a sequence of plays can be calculated by summing individual yardages; e.g., -6 + 7 - 15 + 11.
Keeping track of positive and negative yardage allows for accurate team performance assessment.

Set Relationships and Rational Numbers

Venn diagrams are effective tools for visualizing relationships between rational numbers and their sets.
Understanding sets requires knowledge of which numbers fit into specific subsets.

Numerical Representation of Depth

Locations on a number line can represent real-world scenarios, such as a diver’s position below sea level, demonstrated with negative values.

Ordering Numbers

Ascending order requires arranging numbers from least to greatest, a basic skill in understanding number relationships.

Weight Comparison

Weight comparisons of different items can help students practice ordering and understanding scales in real-life scenarios.

Fractions and Kilometers

Understanding fractional representations of distance is important; Sarah's distance to school can be expressed in simplified fraction formats.

Decimal and Percent Conversion

Converting fractions to decimals and percentages is essential in practical applications, like calculating fuel usage on trips.

Understanding Ratios and Proportions

In sports teams, understanding the fraction of participants selected relates directly to calculating ratios and converting them into decimals (e.g., 15 out of 75 = 0.2).

Relationships Between Sets

Identifying which visual representation accurately describes relationships between number sets emphasizes the importance of set theory in mathematics.

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Description

Test your understanding of 6th grade math concepts with this quiz from Quarter 1. The questions cover key topics such as absolute value, operations, and number lines. Perfect for students aiming to strengthen their math skills.