Transcript Adding and Subtracting Whole Numbers and Decimals

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Question 1: The answer to a
subtraction problem is the …
Difference
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Question 2: Ms. Bernstein saved
$36,700 this year. Last year, she saved
$29,625. How much more did Ms.
Bernstein save this year than last year?
$7,075
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Question 3: What is a number not
evenly divided by 2 called? It has
1,3,5,7,or 9 in the ones place
A Prime Number
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Question 4: The answer to an addition
problem is called …
The sum
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Question 5: What is it called when I calculate using
rounded numbers; useful for mental math?
Estimating
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Question 6: What is a number that can be
evenly divided by 2; it ends with 0,2,4,6, or
8?
An even number
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Question 7: Ms. Bernstein needed 3.25 yards of
material for a sewing project. She had 1.75 yards
left from her last project. How many more yards of
material does Ms. Bernstein need?
1.50 yards
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Question 8: Mrs. Pace went shopping
with $50. She bought a CD for $12.89
and a pair of sandals for $21.25. About
how much money does Mrs. Pace have
left?
About $16
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Question 9: Three chains are 2.75 m,
3.4 m, and 5.86 m long. The chains are
linked together. What is the length of
the full chain?
12.01 m
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Question 10: Coach Roberts filled a 12gallon cooler with a sports drink. The team
drank 8.75 gallons during the game. How
much of the sports drink was left?
3.25 gallons
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Question 11: The average precipitation in Texas
ranges from 60.57 inches in Jasper County to 9.43
inches in El Paso. How much greater is the
amount of precipitation in Jasper County than El
Paso?
51.14 inches
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Question 12: Ms. Beckworth rounded
6.545 meters to 6.55 meters. What
place did Ms. Beckworth round to?
Hundredths
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Question 13: Ms. Bernstein bought a
dress on sale for $56.75. The regular
price of the dress was $71.99. What is
the best estimate of how much Ms.
Bernstein saved on buying the dress on
sale?
About $15
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Question 14: What is 9.351 rounded to
the nearest tenth?
9.4
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Question 15: What is the sum?
14.89 + 3.506 + 6.23
24.626
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Question 16: In 2000, the population
density of the state of Texas was about
79.649 people per square mile. What is
this number rounded to the nearest
ones?
80
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Question 17:Compare
0.89 __ 0.809
0.89 > 0.809
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Question 18: Mrs. Miles, Mr. Hagar, Mrs. Stoever,
and Ms. Bernstein ran the 4-man relay race for
field day. Mrs. Miles averaged a time of 1.8
minutes for her part of the race, Mr. Hagar
averaged 2.25 minutes, Mrs. Stoever averaged
2.1, and Ms. Bernstein averaged 1.66 minutes.
What is a reasonable total time to estimate that
they will run in their next race?
About 8 minutes
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Question 19: What is the estimated
sum, rounded to the nearest hundred
thousand?
4,256,090
+ 3,621,982
About 7,900,000
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Question 20: What is 549,000 rounded
to the nearest thousand?
500,000
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