Topic 2
What is the sum? 5.092 + 3.148
A 8.130
B 8.140
C 8.230
D 8.240
D 8.240
14.2 - 5.5
A 9.2
B 12.2
C 10.7
D 8.7
D 8.7
A rectangular yoga studio is 25.15 feet long and 13.62 feet wide.
What is the exact perimeter?
A 77.42 feet C 77.54 feet
B 77.50 feet D 77.64 feet
C 77.54 feet
Estimate the sum of $4.28, $21.35, and $14.65 by rounding each number to the nearest tenth.
A $40.30
B $41.00
C $38.00
D $40.40
D $40.40
3.74 + 5.46
A 9.2
B 12.2
C 10.7
D 8.7
A 9.2
Complete the statement.
The numbers rounded to the nearest
A. whole number
B. tenth
give a more accurate estimate because the numbers are A. closer to B easier to use than the actual measurements.
B. tenth
A. closer to
Two rock samples have masses of 56.24 grams and 8.98 grams. What is the estimated total mass if you round the decimals to the nearest tenth?
A 65.0 grams
B 65.2 grams
C 65.3 grams
D. 66.0 grams
B 65.2 grams
13.5 - 2.8
A 9.2
B 12.2
C 10.7
D 8.7
C 10.7
Sophie put up three bookshelves in her room. The top shelf is 3.88 feet long, the middle shelf is 2.63 feet long, and the bottom shelf is 4.56 feet long.
How much longer is the bottom shelf than the top shelf?
A 0.58 foot C 1.25 feet
B 0.68 foot D 1.93 feet
B 0.68 foot
Ricardo bought a pair of shoes for $55.60 and a hat for $9.78.
If he paid with 4 twenty-dollar bills, how much change did he get?
A $4.40 C $14.62
B $4.62 D $21.42
C $14.62
Which decimal makes this equation true?
1.206 + ____ = 23.63
A 11.57
B 11.67
C 22.424
D 22.434
C 22.424
Sophie put up three bookshelves in her room. The top shelf is 3.88 feet long, the middle shelf is 2.63 feet long, and the bottom shelf is 4.56 feet long.
What is the combined length of the three bookshelves?
A 6.51 feet B 8.44 feet
C 7.19 feet D 11.07 feet
D 11.07 feet
A rectangular yoga studio is 25.15 feet long and 13.62 feet wide.
Select the equation that models estimating the perimeter of the studio by rounding to the nearest tenth.
A 25.1 + 13.6 + 25.1 + 13.6 = 77.5 feet
B 25.1 + 13.7 + 25.1 + 13.7 = 77.6 feet
C 25.2 + 13.6 + 25.2 + 13.6 = 77.6 feet
D 25.2 + 13.7 + 25.2 + 13.7 = 77.8 feet
C 25.2 + 13.6 + 25.2 + 13.6 = 77.6 feet
A Labrador dog weighs 85.267 pounds and a dachshund weighs 18.493 pounds. How much more does the Labrador weigh?
A 66.774 pounds C 77.874 pounds
B 73.234 pounds D 103.760 pounds
A 66.774 pounds
Owen spent $1.29 on a pen and $0.38 on an eraser at the school store.
A. What was the total amount he spent?
A $1.33
B $1.67
C $1.68
D $67.01
B $1.67
8.73 + 3.47
A 9.2
B 12.2
C 10.7
D 8.7
B 12.2
A rectangular yoga studio is 25.15 feet long and 13.62 feet wide.
A. Select the equation that models estimating the perimeter of the studio by rounding to the nearest whole number.
A 25 + 13 + 25 + 13 = 76 feet
B 25 + 14 + 25 + 14 = 78 feet
C 26 + 13 + 26 + 13 = 78 feet
D 26 + 14 + 26 + 14 = 80 feet
B 25 + 14 + 25 + 14 = 78 feet
Ricardo bought a pair of shoes for $55.60 and a hat for $9.78
How much money did he spend in all?
65.38