By accessing our 180 Days of Math for Fifth Grade Answers Key Day 71 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 71
Directions Solve each problem.
Question 1.
Answer: 86
Explanation:
When wee add two or more addends,
we get the sum 29 + 57 = 86
Question 2.
4 • 22 = ______
Answer: 88
Explanation:
Dot represents multiplication.
Multiply the numbers 4 and 22,
we get the product 4 x 22 = 88
Question 3.
Answer: 18
Explanation:
Question 4.
Arrange the numbers in descending order.
3,859; 3,589; 3,958
_______________
Answer:
3,958; 3,859; 3,589
Explanation:
Arranging the numbers in descending order means,
writing the numbers from biggest to the smallest numbers.
Question 5.
Double $3.65.
______________
Answer:
$7.30
Explanation:
Double the number means adding the number to itself.
$3.65 + $3.65 = $7.30
Question 6.
Write the number that comes next in the sequence.
395, 345, 295, ________
Answer:
245
Explanation:
the number that comes next in the sequence.
Sequence follows (n-50) rule
n = 395, 345, 295,
subtract the 50 from the last number of sequence.
Question 7.
– 42 = 16 + 25
Answer: 83
Explanation:
Let the unknown number be x
x – 42 = 16 + 25
x – 42 = 41
x = 41 + 42
x = 83
Question 8.
What is the volume of the prism if each cube has 1-cm sides?
Answer: 28 cm3
Explanation:
Total 28 cubes are there
are placed as shown in the figure
the volume of the figure is
Volume = Height x Width x Length
Volume = 2 x 2 x 7 = 28 cm3
Question 9.
Draw at least 2 lines of symmetry.
Answer:
Explanation:
The line of symmetry is an imaginary line that passes through the center of the shape or object,
and divides it into identical halves.
Question 10.
Write the coordinates of: 
Answer:
(C, 2)
Explanation:
(C, 2)
first lets check the letters
letter = C
then check the number given
number = 2
now check the fourth intersection upwards from C
Question 11.
You place the following shapes in a bag: 5 circles, 3 triangles, 7 squares, and 5 rectangles. If you reach into the bag, what is the probability that you will grab a triangle?
_____________________
Answer:
3 out of 20 or 15%
Explanation:
A bag has following shapes:
5 circles, 3 triangles, 7 squares, and 5 rectangles.
probability getting a triangle = \(\frac{3}{20}\)
= 0.15 or 15%
Question 12.
There are 6 balls. Half of the balls are blue. One ball is red. The rest are green. Write the fraction for the green balls.
_____________________
Answer:
\(\frac{1}{3}\)
Explanation:
There are 6 balls.
Half of the balls are blue = 3
One ball is red = 1
The rest are green = 6 – 4 = 2
The fraction for the green balls = \(\frac{2}{6}\)
= \(\frac{1}{3}\)