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Ninth Grade (Grade 9) Arithmetic and Number Concepts Questions

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Grade 9 Proportional Relationships
Solve for [math]r[/math].
[math]18/90 = 1/r[/math]
  1. [math]r=9[/math]
  2. [math]r=5[/math]
  3. [math]r=90[/math]
  4. [math]r=18[/math]
Grade 9 Scientific Notation
Which of the following numbers is not written in scientific notation?
  1. [math]8.6 xx 10^4[/math]
  2. [math]2.12 xx 10[/math]
  3. [math]22.1 xx 10^(-5)[/math]
  4. [math]9.9132 xx 10^(-1)[/math]
Grade 9 Percents
Grade 9 Proportional Relationships
[math]a/b=c/d[/math] which is also equal to:
  1. ad=bc
  2. a/c=b/d
  3. b/a=d/c
  4. a+b/b=c+d/d
  5. none of the above
  6. all of the above
Grade 9 Fractions and Ratios
Multiply
[math]12/25 * 20/21[/math]
  1. [math]16/ 35[/math]
  2. [math]120/ 425[/math]
  3. [math]10/15[/math]
  4. [math]2/3[/math]
Grade 9 Scientific Notation
Convert 0.00088 to Scientific Notation.
  1. [math]88 * 10^(-5)[/math]
  2. [math].88 * 10^(-3)[/math]
  3. [math]8.8 * 10^(-4)[/math]
  4. [math]8.8 * 10^4[/math]
Grade 9 Arithmetic and Number Concepts CCSS: HSN-Q.A.1
When graphing the distance vs time for a car traveling for a full day, the most appropriate units would be
  1. Miles and Minutes
  2. Kilometers and Hours
  3. Meters and Hours
  4. Feet and Minutes
Grade 9 Arithmetic and Number Concepts
The result of subtraction.
  1. Arithmetic
  2. Addition
  3. Subtraction
  4. Division
  5. Multiplication
  6. Sum
  7. Difference
  8. Quotient
Grade 9 Arithmetic and Number Concepts
The process of finding the sum of two or more numbers.
  1. Arithmetic
  2. Addition
  3. Subtraction
  4. Division
  5. Multiplication
  6. Sum
  7. Difference
  8. Quotient
Grade 9 Arithmetic and Number Concepts CCSS: HSN-Q.A.1
A graph with units of meters and minutes would be most appropriate for tracking
  1. a falling stone
  2. a car on the highway
  3. a person walking
  4. a jet flying
Grade 9 Arithmetic and Number Concepts
The science of numbers.
  1. Arithmetic
  2. Addition
  3. Subtraction
  4. Division
  5. Multiplication
  6. Sum
  7. Difference
  8. Quotient
Grade 9 Arithmetic and Number Concepts
The result of division.
  1. Arithmetic
  2. Addition
  3. Subtraction
  4. Division
  5. Multiplication
  6. Sum
  7. Difference
  8. Quotient
Grade 9 Arithmetic and Number Concepts
The result of adding two or more numbers together.
  1. Arithmetic
  2. Addition
  3. Subtraction
  4. Division
  5. Multiplication
  6. Sum
  7. Difference
  8. Quotient
Grade 9 Positive and Negative Numbers
Grade 9 Rational and Irrational Numbers
5
  1. Counting number
  2. Whole number
  3. Integer
  4. Rational
  5. Irrational
  6. Real
Grade 9 Arithmetic and Number Concepts
A short method of adding a number to itself a given number of times.
  1. Arithmetic
  2. Addition
  3. Subtraction
  4. Division
  5. Multiplication
  6. Sum
  7. Difference
  8. Quotient
Grade 9 Proportional Relationships
Solve for [math]x[/math].
[math]1/2=x/16[/math]
  1. [math]8[/math]
  2. [math]2[/math]
  3. [math]1[/math]
  4. [math]32[/math]
Grade 9 Number Sentences
8+6(4/2)+9-3+6
  1. 32
  2. 35
  3. 42
  4. 54
Grade 9 Rational and Irrational Numbers
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