add and subtract positive rational numbers fluently
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Q 1/6
Score 0
The regular price of a calculator is $12.30. Warren paid 75¢ less than the regular price for the calculator. He also paid $1.48 for a pad of paper. What is the total amount Warren paid for these two items?
60
$14.53
$14.03
$13.83
$13.03
Q 2/6
Score 0
The table shows the heights and masses of a male gorilla and a female gorilla at a zoo. Based on the table, which statement is true?
60
The female gorilla is 1.28 m shorter than the male gorilla.
The combined mass of the male gorilla and the female gorilla is 253.782 kg.
The mass of the male gorilla is 63.507 kg greater than the mass of the female gorilla.
The combined height of the male gorilla and the female gorilla is 2.028 m.
6 questions
Q.
The regular price of a calculator is $12.30. Warren paid 75¢ less than the regular price for the calculator. He also paid $1.48 for a pad of paper. What is the total amount Warren paid for these two items?
1
60 sec
5.3.K: Number and Operations
Q.
The table shows the heights and masses of a male gorilla and a female gorilla at a zoo. Based on the table, which statement is true?
2
60 sec
5.3.K: Number and Operations
Q.
A park bench is located $16\tfrac{3}{4}$ feet due north of an elm tree. A fountain is located $9\tfrac{1}{2}$ feet due south of the same elm tree. What is the distance in feet between the park bench and the fountain?
3
60 sec
5.3.K: Number and Operations
Q.
Last month Jim drove his car 2,718.3 miles. That brought the car’s total mileage to 87,416 miles. What was the car’s total mileage before last month?
4
60 sec
5.3.K: Number and Operations
Q.
The table shows the population of three Texas counties. The population of Gray County is missing. The population of Gray County is 35,553 less than the population of Anderson County. What is the combined population of these four counties?
5
60 sec
5.3.K: Number and Operations
Q.
Marsha bought a birthday card for $2.86 and a pen for $1.57. She paid with a $20 bill. How much change should Marsha have received?
