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CAASPP Mathematics Foundations — practice questions — page 3

Explore 70 free Foundations questions in CAASPP Mathematics Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Foundations questions and exercises with answers

Showing questions 61–70 of 70.

Simplify: 19 + (-47).Read the answer and worked solution →Simplify: -14 + (-36).Read the answer and worked solution →Simplify: -5 + 3(-2 + 7).Read the answer and worked solution →According to the subtraction property, how can a - b always be rewritten?Read the answer and worked solution →Subtract: 7 - 5.Read the answer and worked solution →Subtract: -7 - (-5).Read the answer and worked solution →Simplify both 13 - 8 and 13 + (-8), and compare the results.Read the answer and worked solution →Simplify both 9 - (-15) and 9 + 15, and compare the results.Read the answer and worked solution →Simplify: 7 - (-4 - 3) - 9.Read the answer and worked solution →Round the numbersRead the answer and worked solution →

Worked practice questions

Simplify: 19 + (-47).

  1. -28
  2. 28
  3. -66
  4. 66
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Correct answer: A. -28

1. The two numbers 19 and -47 have different signs. 2. Subtract the smaller absolute value from the larger: 47 minus 19 equals 28. 3. Since -47 has the larger absolute value, the sum takes the negative sign, giving -28. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.3 Add and Subtract Integers_

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Simplify: -14 + (-36).

  1. 50
  2. -50
  3. -22
  4. 22
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Correct answer: B. -50

1. Both -14 and -36 share the same negative sign. 2. Add their absolute values: 14 plus 36 equals 50. 3. Keep the shared negative sign, giving -50. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.3 Add and Subtract Integers_

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Simplify: -5 + 3(-2 + 7).

  1. Equals -1
  2. Equals 25
  3. Equals 10
  4. Equals 0
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Correct answer: C. Equals 10

1. Simplify inside the parentheses first: -2 plus 7 equals 5. 2. Multiply: 3 times 5 equals 15. 3. Add left to right: -5 plus 15 equals 10. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 1 "Foundations", section 1.3 Add and Subtract Integers_

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More Mathematics topics

Math ModelsDecimalsFractionsIntegersPercents and Their ApplicationsUse the Language of AlgebraAdd and Subtract IntegersIntroduction to Whole Numbers