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