SAT Skills Insight

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Number and Operations

Skills needed to score in this band

SKILL 1: Determine values or properties of numbers in a sequence when given a description of the sequence

SKILL 2: Create and use ratios, fractions, or percents in solving problems

SKILL 3: Solve more-complex counting problems (e.g., permutations, combinations, and inclusion/exclusion)

 

  1. 1

    Determine values or properties of numbers in a sequence when given a description of the sequence

    Example

    In a certain sequence where the numbers are increasing, the difference between consecutive terms is always the same. If the fourth term in the sequence is 19 and the eleventh term is 47, what is the first term in the sequence?

    Answer Choices
  2. 2

    Create and use ratios, fractions, or percents in solving problems

    Example

    Marbles are to be removed from a jar that contains 12 red marbles and 12 black marbles. What is the least number of marbles that could be removed so that the ratio of red marbles to black marbles left in the jar will be 4 to 3?

  3. 3

    Solve more-complex counting problems (e.g., permutations, combinations, and inclusion/exclusion)

    Example

    There are 6 different ways to arrange the 3 letters E, F, and G in a row from left to right. How many more ways are there to arrange the 4 letters D, E, F, and G in a row from left to right?

    Answer Choices
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Skills needed to score in the next band

Use π in algebraic and geometric contexts

Create and use ratios, fractions, or percents, including algebraic expressions, in solving problems

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