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Examen

CASA Math Practice Questions Practice Exam

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Publié le
22-03-2025
Écrit en
2024/2025

1. Number and Operations • Whole Numbers and Place Value o Understanding place value in the base-10 system (ones, tens, hundreds, etc.) o Rounding and estimating whole numbers o Comparing and ordering whole numbers • Addition, Subtraction, Multiplication, and Division o Performing operations with whole numbers o Understanding the relationship between operations o Word problems involving addition, subtraction, multiplication, and division • Fractions o Simplifying fractions and identifying equivalent fractions o Adding, subtracting, multiplying, and dividing fractions o Converting between improper fractions and mixed numbers o Word problems involving fractions • Decimals o Converting between fractions and decimals o Adding, subtracting, multiplying, and dividing decimals o Comparing and ordering decimals o Rounding decimals to a specified place value o Word problems involving decimals • Percents o Understanding the relationship between percentages, fractions, and decimals o Converting between percents, fractions, and decimals o Solving problems involving percentage increase, decrease, and discounts o Word problems involving percents (e.g., calculating discounts, tax, interest) 2. Algebraic Concepts • Basic Algebraic Expressions o Simplifying algebraic expressions (like terms, distributive property) o Evaluating algebraic expressions for given values o Understanding variables, constants, coefficients, and exponents o Word problems involving basic algebraic expressions • Solving Linear Equations o Solving one-step and two-step equations o Solving equations involving fractions or decimals o Word problems that require setting up and solving linear equations • Inequalities o Understanding and solving linear inequalities o Graphing solutions on a number line o Word problems involving inequalities (e.g., temperature ranges, budget constraints) • Patterns and Sequences o Identifying and continuing number patterns (arithmetic and geometric) o Writing expressions for sequences o Solving problems related to sequences and patterns 3. Measurement • Units of Measurement o Understanding and converting between different units of length, weight, capacity, and time (e.g., inches to centimeters, pounds to kilograms, gallons to liters) o Converting between units within the same system (e.g., metric system or customary system) o Estimating measurements in real-world contexts • Perimeter, Area, and Volume o Calculating perimeter and area of various shapes (squares, rectangles, triangles, circles) o Understanding and calculating volume of rectangular prisms and cylinders o Word problems involving perimeter, area, and volume • Time and Money o Converting between units of time (hours, minutes, seconds) o Solving problems involving time, such as elapsed time and time intervals o Word problems involving money (addition, subtraction, budgeting, etc.) 4. Geometry • Properties of Two-Dimensional Shapes o Identifying and classifying two-dimensional shapes (triangles, squares, rectangles, circles, etc.) o Understanding and calculating properties of shapes (angles, sides, symmetry) o Word problems involving geometric shapes (e.g., finding areas, perimeters) • Coordinate Geometry o Plotting points on the coordinate plane o Understanding and calculating distances between points on the coordinate plane o Identifying and interpreting simple geometric shapes (e.g., line segments, triangles) on the coordinate plane o Understanding the concept of slope and graphing linear equations • Three-Dimensional Shapes o Identifying and understanding properties of three-dimensional shapes (cubes, spheres, cones, cylinders, etc.) o Calculating surface area and volume of three-dimensional objects o Word problems involving three-dimensional objects 5. Data Analysis and Probability • Data Interpretation o Reading and interpreting data from various sources (tables, bar graphs, line graphs, pie charts, etc.) o Calculating measures of central tendency (mean, median, mode) o Understanding and calculating range and outliers o Solving word problems that involve data interpretation • Probability o Understanding basic probability concepts (e.g., likelihood of events, sample space) o Calculating probability of single events and compound events o Word problems involving probability (e.g., rolling dice, drawing cards) 6. Mathematical Reasoning and Word Problems • Problem-Solving Strategies o Applying logical reasoning and critical thinking to solve math problems o Breaking down complex problems into simpler steps o Using estimation and approximation to check the reasonableness of answers • Word Problems Involving Multiple Concepts o Solving word problems that require combining concepts from different math areas (e.g., algebra, geometry, measurement) o Translating real-world situations into mathematical equations or expressions o Setting up and solving multi-step word problems o Understanding the context of word problems and choosing the appropriate mathematical operations 7. Review of Mathematical Properties and Theorems • Properties of Operations o Commutative, associative, and distributive properties of addition and multiplication o Understanding the order of operations (PEMDAS/BODMAS) o Applying these properties in algebraic expressions and equations • Basic Theorems and Formulas o Applying basic geometric theorems (Pythagorean theorem, area and volume formulas) o Understanding formulas for perimeter, area, and volume of common geometric shapes o Utilizing algebraic properties and theorems to simplify expressions and solve equations 8. Test-Taking Strategies and Tips • Understanding the Test Format o Familiarizing yourself with the types of questions and test format (multiple choice, fill-in-the-blank, short answer) o Time management strategies for completing the test within the time limit o Strategies for eliminating incorrect answer choices in multiple-choice questions o Approaching questions that you don't know immediately (guessing strategies) • Practice and Review o Practicing problems from each content area regularly o Identifying areas where you need more practice and focusing on those areas o Reviewing key concepts and formulas frequently to keep them fresh in your memory

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Publié le
22 mars 2025
Nombre de pages
46
Écrit en
2024/2025
Type
Examen
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CASA Math Practice Questions Practice Exam
Question 1: In the number 5,432, what is the place value of the digit 5?
A. 5,000
B. 500
C. 50
D. 5
Answer: A
Explanation: In a four-digit number, the leftmost digit represents the thousands place. Here, 5
represents 5,000.

Question 2: What is the rounded value of 3,276 to the nearest hundred?
A. 3,200
B. 3,300
C. 3,270
D. 3,280
Answer: B
Explanation: 3,276 rounds up to 3,300 because the tens digit (7) is 5 or more.

Question 3: Which number is greater: 4,589 or 4,598?
A. 4,589
B. 4,598
C. They are equal
D. Cannot be determined
Answer: B
Explanation: Although the thousands and hundreds digits are the same, 4,598 has a larger tens digit
than 4,589.

Question 4: What is the sum of 245 and 367?
A. 612
B. 602
C. 612
D. 632
Answer: A
Explanation: Adding 245 + 367 gives 612.

Question 5: Subtract 128 from 523. What is the result?
A. 395
B. 405
C. 385
D. 395
Answer: A
Explanation: 523 – 128 equals 395.

Question 6: Multiply 24 by 15. What is the product?
A. 360
B. 350

,C. 370
D. 380
Answer: A
Explanation: 24 × 15 = 360.

Question 7: What is 144 divided by 12?
A. 10
B. 11
C. 12
D. 13
Answer: C
Explanation: Dividing 144 by 12 results in 12.

Question 8: Which expression shows the relationship between addition and subtraction?
A. a – b = a + (–b)
B. a + b = a – b
C. a – b = b – a
D. a + b = (a × b)
Answer: A
Explanation: Subtraction can be thought of as adding the negative of a number.

Question 9: If a student buys 3 pencils for $1.20, how much does each pencil cost?
A. $0.30
B. $0.40
C. $0.50
D. $0.60
Answer: B
Explanation: Dividing $1.20 by 3 gives $0.40 per pencil.

Question 10: Simplify the fraction 12/16.
A. 3/4
B. 4/3
C. 2/3
D. 3/2
Answer: A
Explanation: Dividing numerator and denominator by 4 simplifies 12/16 to 3/4.

Question 11: Which fraction is equivalent to 2/3?
A. 4/5
B. 6/9
C. 3/5
D. 5/7
Answer: B
Explanation: Multiplying numerator and denominator of 2/3 by 3 gives 6/9, which is equivalent.

Question 12: Add 3/8 and 1/4. What is the sum?
A. 1/2

,B. 5/8
C. 7/8
D. 1/4
Answer: B
Explanation: Converting 1/4 to 2/8, then 3/8 + 2/8 = 5/8.

Question 13: Subtract 2/5 from 4/5.
A. 1/5
B. 2/5
C. 3/5
D. 4/5
Answer: A
Explanation: 4/5 – 2/5 equals 2/5; however, a careful check shows the correct subtraction gives 2/5.
(Correct Answer: B)
Note: There was an earlier misprint. Adjusting: The correct subtraction is 4/5 – 2/5 = 2/5.
Answer: B
Explanation: Subtracting fractions with the same denominator gives (4–2)/5 = 2/5.

Question 14: Multiply 2/3 by 3/4.
A. 1/2
B. 1/3
C. 1/4
D. 2/3
Answer: A
Explanation: (2×3)/(3×4) = 6/12 = 1/2.

Question 15: Convert the mixed number 3 1/2 to an improper fraction.
A. 7/2
B. 5/2
C. 8/2
D. 6/2
Answer: A
Explanation: Multiply the whole number (3) by the denominator (2) and add the numerator (1): 3×2+1 =
7, so 7/2.

Question 16: Convert 0.75 into a fraction in simplest form.
A. 3/4
B. 1/2
C. 2/3
D. 4/5
Answer: A
Explanation: 0.75 is equal to 75/100, which simplifies to 3/4.

Question 17: Add 0.5 and 0.25.
A. 0.75
B. 0.85
C. 0.65

, D. 0.95
Answer: A
Explanation: 0.5 + 0.25 equals 0.75.

Question 18: Subtract 0.3 from 1.0.
A. 0.6
B. 0.7
C. 0.8
D. 0.9
Answer: C
Explanation: 1.0 – 0.3 equals 0.7; however, let’s check: 1.0 – 0.3 = 0.7.
Answer: B
Explanation: The correct result of 1.0 – 0.3 is 0.7.

Question 19: Multiply 0.2 by 0.5.
A. 0.1
B. 0.2
C. 0.25
D. 0.3
Answer: A
Explanation: 0.2 × 0.5 equals 0.10, which is 0.1.

Question 20: Divide 0.8 by 0.2.
A. 2
B. 3
C. 4
D. 5
Answer: C
Explanation: 0.8 ÷ 0.2 equals 4.

Question 21: Which of the following represents 40% as a fraction?
A. 2/5
B. 4/5
C. 3/5
D. 1/4
Answer: A
Explanation: 40% equals 40/100, which simplifies to 2/5.

Question 22: Increase 50 by 20%.
A. 55
B. 60
C. 65
D. 70
Answer: B
Explanation: 20% of 50 is 10, so 50 + 10 = 60.
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