Examview Pro - Fraction Test With Answers Page 7
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9ID: A
17. ANS:
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Substitute for the variable. Write the whole number as a fraction. Multiply numerators and denominators.
Write the answer in simplest form.
REF: Page 192
OBJ: 4-9.2 Evaluating Fraction Expressions
STO: 5.02
TOP: 4-9 Multiplying Fractions by Whole Numbers
KEY: fraction, expression
NOT: /A/ Did you multiply the whole number by the numerator, or did you add them together? /B/ Correct!
/C/ Did you multiply the whole number by the fraction, or did you add them together?/D/ Did you write the
whole number as a fraction over 1 and then multiply the numerators and the denominators?
18. ANS:
16
Multiply the fraction by the whole number by writing the whole number over 1 and then multiplying the
numerators and the denominators. Simplify if possible.
REF: Page 193
OBJ: 4-9.3 Application: Multiply Fractions by Whole Numbers
STO: 1.04
TOP: 4-9 Multiplying Fractions by Whole Numbers
KEY: fraction, multiplication
NOT: /A/ Did you subtract the numerator from the whole number instead of multiplying them? /B/ Did you
write the whole number as a fraction over 1 and then multiply the numerators and the denominators? /C/ Did
you double-check your calculations?/D/ Correct!
19. ANS:
32
Multiply the fraction by the whole number by writing the whole number over 1 and then multiplying the
numerators and the denominators. Simplify if possible.
REF: Page 193
OBJ: 4-9.3 Application: Multiply Fractions by Whole Numbers
STO: 1.04
TOP: 4-9 Multiplying Fractions by Whole Numbers
KEY: fraction, multiplication
NOT: /A/ Did you double-check your calculations?/B/ Did you write the whole number as a fraction over 1
and then multiply the numerators and the denominators? /C/ Why did you subtract the numerator from the
whole number instead of multiplying them? /D/ Correct!
20. ANS:
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Multiply the fractions by multiplying the numerators and multiplying the denominators, and then simplify if
possible.
REF: Page 212
OBJ: 5-1.1 Multiplying Fractions
STO: 1.04
TOP: 5-1 Multiplying Fractions
KEY: fraction, multiplication
NOT: /A/ Are you supposed to be dividing the fractions?/B/ Are you supposed to be adding the fractions?
/C/ Is this how you multiply fractions? /D/ Correct!
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