Multiple
Choice
Identify
the letter of the choice that best completes the statement or answers the
question.
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1. |
Choose
the correct answer.
To
estimate 66 � 6, this fact is useful.
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a. |
8 � 2 = 4 |
c. |
6 � 6 = 1 |
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b. |
9
�
3 = 3 |
d. |
15
�
3 = 5 |
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2. |
Choose
the correct answer.
To
estimate 40 � 5, this fact is useful.
|
a. |
24 � 3 = 8 |
c. |
24 � 2 = 12 |
|
b. |
10
� 5 = 2 |
d. |
24
� 6 = 4 |
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3. |
Choose
the correct answer.
If
I know 72 � 8 = 9, then I know
|
a. |
72 tens � 8 = 90 |
c. |
720 � 80 = 90 |
|
b. |
72
tens � 8 = 9 |
d. |
720
� 8 = 900 |
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4. |
Choose
the correct answer.
If
I know 63 � 7 = 9, then I know
|
a. |
630 � 70 = 90 |
c. |
63 tens � 70 = 90 |
|
b. |
630
� 7 = 90 |
d. |
63
tens � 7 = 900 |
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Numeric
Response
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5. |
Phillip
can finish reading his book in 8 days if he reads about 70 pages every
day. About how many pages is the book?
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6. |
About
how many pages would he have to read each day to finish in 6
days?
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7. |
About
how many pages would he have to read each day to finish in 5
days?
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8. |
Estimate
the quotient.
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9. |
Estimate
the quotient.
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10. |
Estimate
the quotient.
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