Tamara is able to jump 17.6 feet. The world record in the long jump is 39.3 feet. What is the difference between the world record and the distance that Tamara can jump?
a)
21.7
b)
20.7
c)
31.7
d)
32.7
3.
Which of the following differences are equal to 62.34?
a)
64.81 - 2.47
b)
66.82 - 4.58
c)
67.24 - 1.47
d)
66.72 - 4.58
4.
Aaliyah wanted to buy a bracelet, a necklace, and a ring. If each item costs $2.50, how much will all the items cost together?
a)
$5.65
b)
$1.5
c)
$7.50
d)
$6.00
5.
Which statement about the value of the expression 56.21 - 7.89 is true?
a)
It is 48.32 because when you 48.32 and 7.89, you get 55.21.
b)
It is 48.32 because when you add 48.32 and 7.89, you get 56.21.
c)
It is 49.32 because when you add 48.42 and 7.89, you get 56.21.
d)
It is 49.43 because when you add 49.43 and 7.89, you get 56.21.
6.
10.09 - 4.35 =
a)
5.27
b)
5.72
c)
5.74
d)
5.78
7.
Round the following number to the nearest hundred 22415.163.
a)
22400
b)
22416.16
c)
22416.25
d)
22420
8.
Round the following number to the nearest tenth. 12.25
a)
12.2
b)
12.3
c)
12.205
d)
12.4
9.
Jeffrey has two bulldogs. Their weights are 12.3 pounds and 8.47 pounds. He wants to know the difference in kilograms of the weights.
a)
12.3-8.47=3.76
b)
8.47-12.3=4.72
c)
8.47-5.46=3.54
d)
12.3-8.47=3.83
10.
Round 29.74 to the nearest whole number.
a)
29.00
b)
30.00
c)
20.00
d)
29.5
11.
Round 26.541to the underlined place.
a)
27.530
b)
27.00
c)
27.5
d)
28.541
12.
Mariah has $33.08 in her piggy bank. If she use $5.78 at the bookfair and $3.25 at the candy store, how much money will she have left?
a)
$26.51
b)
$24.08
c)
$24.05
d)
$24.03
แป้นคำตอบ
Adding and Subtracting Decimals
คำถามทั้งหมด: 12
1.
b)
48.54
2.
a)
21.7
3.
a)
64.81 - 2.47
4.
c)
$7.50
5.
b)
It is 48.32 because when you add 48.32 and 7.89, you get 56.21.