By accessing our 180 Days of Math for Fifth Grade Answers Key Day 81 regularly, students can get better problem-solving skills.
180 Days of Math for Fifth Grade Answers Key Day 81
Directions Solve each problem.
Question 1.
Add 43 to 36.
______________
Answer: 79
Explanation:
When we add two more addends,
we get the sum 43 + 36 = 79
Question 2.
Answer:
159
Explanation:
Multiply the numbers 53 and 3,
we get the product 159.
Question 3.
38 ÷ 6 = _____
Answer:
Quotient = 6
Remainder = 2
Explanation:
Question 4.
Write the largest numeral possible using the digits 6, 4, 8, and 0.
_____________________
Answer:
8,640
Explanation:
Arrange all the numerals in descending order,
we get the largest numeral as 8,640.
Question 5.
Write \(\frac{25}{100}\) as a decimal.
_____________________
Answer:
0.25
Explanation:
\(\frac{25}{100}\) as a decimal.
count the number of zeros in the denominator,
move the decimals in the numerator.
Question 6.
Write the number that comes next in the sequence.
8,380; 8,290; 8,200; _______
Answer:
8,110
Explanation:
sequence follows (n-90) rule
n is the given numbers in sequence.
subtract 90 from the last number 8,200
8,200 – 90 = 8,110
Question 7.
72 – 45 = 15 + 
Answer: 12
Explanation:
Let the unknown number be x
72 -45 = 15x
27 = 15x
x = 27 – 15
x =12
Question 8.
Record the line length.
_____________________
Answer:
2\(\frac{1}{2}\) inches.
Explanation:
Scale is used to measure the smallest length of the objects.
Marked length on the scale is 2\(\frac{1}{2}\) inches.
Question 9.
A square has more than one line of symmetry. True or false?
This 
Answer:
True
Explanation:
Yes, A square has more than one line of symmetry.
Question 10.
Name the shape that is located at (E, 1).
Answer:
Parallelogram
Explanation:
A parallelogram is a two-dimensional geometrical shape,
whose sides are parallel to each other.
Question 11.
A family has five members: a mom, a dad, two sisters, and a brother. The family lines up single file. What is the probability that one of the parents is at the front of the line?
_____________________
Answer:
2 out of 5 or 40%
Explanation:
A family has five members: a mom, a dad, two sisters, and a brother.
Total family members = 5
probability that one of the parents is at the front of the line
= \(\frac{2}{5}\) = 40%
Question 12.
Nicole has five times as many stickers in her sticker collection as her sister. Her sister has 32 stickers. How many stickers does Nicole have?
_____________________
Answer:
160 stickers
Explanation:
Sister has 32 stickers
Nicole has five times as many stickers in her sticker = 32 x 5
Total stickers Nicole has = 160