# 180 Days of Math for Fifth Grade Day 81 Answers Key

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.
______________
Explanation:
we get the sum 43 + 36 = 79

Question 2. 159
Explanation:
Multiply the numbers 53 and 3,
we get the product 159.

Question 3.
38 ÷ 6 = _____
Quotient = 6
Remainder = 2
Explanation: Question 4.
Write the largest numeral possible using the digits 6, 4, 8, and 0.
_____________________
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.
_____________________
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; _______
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 + Explanation:
Let the unknown number be x
72 -45 = 15x
27 = 15x
x = 27 – 15
x =12

Question 8.
Record the line length.
_____________________ 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 True
Explanation:
Yes, A square has more than one line of symmetry. Question 10.
Name the shape that is located at (E, 1). 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?
_____________________
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?
_____________________