# 180 Days of Math for Sixth Grade Day 58 Answers Key

By accessing our 180 Days of Math for Sixth Grade Answers Key Day 58 regularly, students can get better problem-solving skills.

## 180 Days of Math for Sixth Grade Answers Key Day 58

Directions Solve each problem.

Question 1.
6 + 6 + 6 + 6 = ___
6 + 6 + 6 + 6 = 24.

Explanation:
The addition of 6 + 6 + 6 + 6 is
= 12 + 12
= 24.

Question 2.
8 × (-30) = ______
8 × (-30) = -240.

Explanation:
The multiplication of 8 and -30 is 8 × (-30) = -240.

Question 3.
490 ÷ 49 = ___
490 ÷ 49 =10.

Explanation:
The division of 490 by 49 is 490 ÷ 49 = 10.

Question 4.
List all of the prime numbers between 10 and 20.
________________
The prime numbers are 11, 13, 17, 19.

Explanation:
The prime numbers are the numbers that are divisible by 1 and itself, so the prime numbers between 10 and 20 are 11, 13, 17, 19.

Question 5.
50% of 12 is ___
50% of 12 = 6.

Explanation:
Given 50% of 12 which is $$\frac{50}{100}$$ × 12
= 6.

Question 6.
(-4) + (-3) + (-2) = ___
(-4) + (-3) + (-2) = -9.

Explanation:
Given the expression is (-4) + (-3) + (-2)
= – 4 – 3 – 2
= -7 – 2
= -9.

Question 7.
$$\frac{3}{5}$$ of is 12
The missing digit is 20.

Explanation:
Let the missing digit be X, the equation will be $$\frac{3}{5}$$ of X = 12,
3X = 12×5
X = $$\frac{12×5}{3}$$
= 4×5
= 20.

Question 8.
Find n.
$$\frac{1}{2}$$n = 21
n = ___
n = 42.

Explanation:
Given the equation is $$\frac{1}{2}$$n = 21
n = 21×2
= 42.

Question 9.
How many grams are there in 7.5 kilograms?
_______________________
7,500 g.

Explanation:
As 1 kg is 1000 g, so 7.5 kg will be 7.5×1000 = 7,500 g.

Question 10.
How many diagonals does a rectangle have?
_______________________
Two diagonals.

Explanation:
There are two diagonals that are connected to two opposite vertices.

Question 11.
Inside a bag of candy there are 16 lollipops, 12 pieces of chocolate, and 7 pieces of licorice, If you reach in the bag and grab a piece of candy, what is the probability that it will be licorice?
The probability of grabbing a piece of licorice is $$\frac{7}{37}$$.

Explanation:
Given that there is a bag of candy there are 16 lollipops, 12 pieces of chocolate, and 7 pieces of licorice. The total candies are 16+12+7 which is 37 candies. So the probability of grabbing a piece of licorice is $$\frac{7}{37}$$.

Question 12.
Mr. Wright is five times as old as his daughter, Lilly. Lilly is twice as old as her brother, Micah. If Micah is 3 years old, how old is Mr. Wright?
_______________________