Math Practice Test Page 21
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29ID: A
15. ANS:
Possible answer: I disagree. To simplify 4
, I can divide 4 and 6 by 2. In
6
simplest form 4
= 2
. 2
is not equal to 1
.
6
3
3
3
PTS: 1
DIF: average
REF: Lesson 49: Simplest Form
OBJ: Write and identify equivalent fractions in simplest form.
NAT: CC.4.NF.1 Explain why a fraction a/b is equivalent to a fraction (n x
a)/(n x b) by using visual fraction models, with attention to how the number
and size of the parts differ even though the two fractions themselves are
the same size. Use the principle to recognize and generate equivalent
fractions.
TOP: Extend understanding of fraction equivalence and ordering.
KEY: equivalent fractions | numerator | denominator | factor | common
factor | simplest form
NOT: Number and Operations - Fractions
16. ANS: B
PTS: 1
DIF: average
REF: Lesson 50: Common Denominators
OBJ: Use equivalent fractions to represent a pair of fractions as fractions
with a common denominator.
NAT: CC.4.NF.1 Explain why a fraction a/b is equivalent to a fraction (n x
a)/(n x b) by using visual fraction models, with attention to how the number
and size of the parts differ even though the two fractions themselves are
the same size. Use the principle to recognize and generate equivalent
fractions.
TOP: Extend understanding of fraction equivalence and ordering.
KEY: multiple | common multiple | common denominator
NOT: Number and Operations - Fractions
6
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