Subtracting Numbers
Adele swam the length of the pool in 32.56 seconds. Alexandria swam the length of the pool in 29.4 seconds. How many seconds faster was Alexandria’s time than Adele's time?
3.16 seconds
1.682 inches rounded to the nearest whole number
2
0.92 is 10X as much as __________ and 1/10 of ________
0.092 and 9.2
What is the value of the underlined digit? 0.283
A. 0.8
B. 0.08
c. 8 X 1/10
d. 8 X 1/100
e. eight hundredths
B
D
E
54.78+43.62
98.40
Mario has $15. He spends $6.25 on admission to the ice skating rink, $2.95 to rent skates, and $1.65 each for 2 hot chocolates. How much money does he have left? $
$2.50
1.682 inches rounded to the nearest tenth.
1.7
Order the following numbers from least to greatest.
4.754
4.752
5.19
5.75
4.752, 4.754, 5.19, 5.75
Estimate each of the following to the nearest benchmark.
1.780
0.43
.003
1.18
1.75
.50
0
1.25
________ +31.53= 62.4
30.87
Marianna's kitten weighs 2.45 points, and Monica's kitten weighs 3.6 pounds. How much more does Monica's Kitten weigh than Marianna's kitten?
Monica's kitten weighs 1.25 pounds more.
Round 3.569 to the nearest hundredth
3.57
Larry bought 4 lemonades for his friends. Each lemonade cost $1.28. Create a table showing the prices.
1- $1.28
2-
3-
4-
2- $2.56
3- $3.84
4- $5.12
Regina has two electronic files. One has a size of 3.15 MB and the other is 4.89 MB. What is the best estimate of the total size of the two electronic files?
8MB
9.2+ ___ + 8.4= 20.8
3.2
Adrian’s gerbil weighed 68.59 grams at the beginning of summer. During the summer, the gerbil gained 24.6 grams.
Part B What was the exact weight of the gerbil at the end of the summer?
93.19 grams
Flora bought 4.13 lbs of tuna salad and 2.7 lbs of chicken salad. True or False
A. Rounded to the nearest whole number Flora bought 4 lbs of tuna salad.
B. Rounded to the nearest whole number Flora bought 2 lbs of chicken salad.
C. Rounded to the nearest tenth Flora bought 4.1 lbs of tuna salad.
A. True
B. False
C. True
Kevin and Yasuko are writing number patterns. Yasuko wrote the following sequenc3.
35.9, 34.7, 33.5, ______, 31.1
What is the unknown term?
32.3
Luis found two bicycles he likes. The price of the first bicycle is $73.59. The price of the second bicycle is $98.50. Estimate the difference of the prices of the bikes.
99- 74= $25
Katie worked on her science fair project for 2.5 hours on Tuesday and 1.75 hours on Friday. How many hours did she work combined? Show the problem lined up and the correct answer.
2.50
+1.75
4.25
The fourth graders collected 1.25 lbs more aluminum cans than the fifth graders. Select the values that could represent how many pounds each grade collected. Mark all that apply
A. fourth grade: 7.68 lbs, fifth grade 6.13 lbs
B. fourth grade: 6 lbs, fifth grade 4.75lbs
C. fourth grade 4 lbs, fifth grade 2.65 lbs
D. fourth grade 7.26lbs, fifth grade 6.01 lbs
B. fourth grade: 6 lbs, fifth grade 4.75lbs
D. fourth grade 7.26 lbs, fifth grade 6.01 lbs
Trudy is going to London next summer. Each week, she records the value of one British pound in U.S. dollars. The table shows the data she has recorded so far.
Value of 1 British Pound
Week 1 :1.598
Week 2: 1.616
Week 3 1.634
Week 4 1.623
For which two weeks was the value of 1 British pound the same when rounded to the nearest hundredth of a dollar?
Weeks 2 and 4
Students are selling magnets at the school craft fair. One magnet cost $0.30, two magnets cost $0.43, 3 magnets cost $0.56, and 4 magnets cost $0.69. If this pattern continues, who much will 6 magnets cost?
$1.08
Adrian’s gerbil weighed 68.59 grams at the beginning of summer. During the summer, the gerbil gained 24.6 grams.
Part A Estimate the weight of the gerbil at the end of the summer by rounding each value to the nearest whole number. Will your estimate be less than or greater than the actual weight?
94 grams, which is greater than the actual number.
Carmine and Hiram are solving the following word problem. Gina is training for a marathon. She ran 6.75 miles on Saturday. On Sunday, she ran 7.20 miles. How far did she run on Saturday and Sunday combined? Carmine sets up his problem as 6.75 + 7.20. Hiram sets up his problem as 7.20 + 6.75. Who is correct?Solve the problem.